30713372 has 24 divisors (see below), whose sum is σ = 57286656. Its totient is φ = 14374448.

The previous prime is 30713369. The next prime is 30713377. The reversal of 30713372 is 27331703.

It is a happy number.

It is a super-2 number, since 2×30713372² = 1886622439220768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30713377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773 + ... + 7875.

It is an arithmetic number, because the mean of its divisors is an integer number (2386944).

Almost surely, 2^30713372 is an apocalyptic number.

It is an amenable number.

30713372 is a deficient number, since it is larger than the sum of its proper divisors (26573284).

30713372 is a wasteful number, since it uses less digits than its factorization.

30713372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7177 (or 7175 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 30713372 is about 5541.9646335934. The cubic root of 30713372 is about 313.1668855912.

The spelling of 30713372 in words is "thirty million, seven hundred thirteen thousand, three hundred seventy-two".