30713492 has 12 divisors (see below), whose sum is σ = 56910420. Its totient is φ = 14453376.

The previous prime is 30713477. The next prime is 30713521. The reversal of 30713492 is 29431703.

It can be written as a sum of positive squares in 2 ways, for example, as 25847056 + 4866436 = 5084^2 + 2206^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225767 + ... + 225902.

It is an arithmetic number, because the mean of its divisors is an integer number (4742535).

Almost surely, 2^30713492 is an apocalyptic number.

It is an amenable number.

30713492 is a deficient number, since it is larger than the sum of its proper divisors (26196928).

30713492 is a wasteful number, since it uses less digits than its factorization.

30713492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451690 (or 451688 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30713492 is about 5541.9754600684. The cubic root of 30713492 is about 313.1672934480.

The spelling of 30713492 in words is "thirty million, seven hundred thirteen thousand, four hundred ninety-two".