30740424 has 128 divisors (see below), whose sum is σ = 92534400. Its totient is φ = 8436480.

The previous prime is 30740393. The next prime is 30740431. The reversal of 30740424 is 42404703.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30740394 and 30740403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579982 + ... + 580034.

It is an arithmetic number, because the mean of its divisors is an integer number (722925).

Almost surely, 2^30740424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30740424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46267200).

30740424 is an abundant number, since it is smaller than the sum of its proper divisors (61793976).

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

30740424 is a wasteful number, since it uses less digits than its factorization.

30740424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 30740424 is about 5544.4047471302. The cubic root of 30740424 is about 313.2588032584.

The spelling of 30740424 in words is "thirty million, seven hundred forty thousand, four hundred twenty-four".