30410172 has 72 divisors (see below), whose sum is σ = 83472480. Its totient is φ = 9279360.

The previous prime is 30410167. The next prime is 30410197. The reversal of 30410172 is 27101403.

It is a super-2 number, since 2×30410172² = 1849557122139168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 84529 + ... + 84887.

It is an arithmetic number, because the mean of its divisors is an integer number (1159340).

Almost surely, 2^30410172 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 30410172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41736240).

30410172 is an abundant number, since it is smaller than the sum of its proper divisors (53062308).

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

30410172 is a wasteful number, since it uses less digits than its factorization.

30410172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 30410172 is about 5514.5418667374. The cubic root of 30410172 is about 312.1329561543.

Adding to 30410172 its reverse (27101403), we get a palindrome (57511575).

The spelling of 30410172 in words is "thirty million, four hundred ten thousand, one hundred seventy-two".