30413718 has 80 divisors (see below), whose sum is σ = 73790640. Its totient is φ = 9331200.

The previous prime is 30413717. The next prime is 30413729. The reversal of 30413718 is 81731403.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30413691 and 30413700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30413717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 126078 + ... + 126318.

It is an arithmetic number, because the mean of its divisors is an integer number (922383).

It is a vampire number, since it can be written as 4338 ⋅ 7011 (with its own digits).

Almost surely, 2^30413718 is an apocalyptic number.

30413718 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30413718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36895320).

30413718 is an abundant number, since it is smaller than the sum of its proper divisors (43376922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30413718 is a wasteful number, since it uses less digits than its factorization.

30413718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 30413718 is about 5514.8633709277. The cubic root of 30413718 is about 312.1450878455.

The spelling of 30413718 in words is "thirty million, four hundred thirteen thousand, seven hundred eighteen".