30626432 has 64 divisors (see below), whose sum is σ = 64920960. Its totient is φ = 14361600.

The previous prime is 30626381. The next prime is 30626443. The reversal of 30626432 is 23462603.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297293 + ... + 297395.

It is an arithmetic number, because the mean of its divisors is an integer number (1014390).

Almost surely, 2^30626432 is an apocalyptic number.

30626432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30626432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32460480).

30626432 is an abundant number, since it is smaller than the sum of its proper divisors (34294528).

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

30626432 is a wasteful number, since it uses less digits than its factorization.

30626432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 30626432 is about 5534.1152861139. The cubic root of 30626432 is about 312.8711136644.

The spelling of 30626432 in words is "thirty million, six hundred twenty-six thousand, four hundred thirty-two".