30716672 has 72 divisors (see below), whose sum is σ = 71474592. Its totient is φ = 12902400.

The previous prime is 30716641. The next prime is 30716687. The reversal of 30716672 is 27661703.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 109172 + ... + 109452.

Almost surely, 2^30716672 is an apocalyptic number.

30716672 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 30716672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35737296).

30716672 is an abundant number, since it is smaller than the sum of its proper divisors (40757920).

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

30716672 is an equidigital number, since it uses as much as digits as its factorization.

30716672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 30716672 is about 5542.2623539490. The cubic root of 30716672 is about 313.1781012675.

The spelling of 30716672 in words is "thirty million, seven hundred sixteen thousand, six hundred seventy-two".