30613892 has 12 divisors (see below), whose sum is σ = 53649036. Its totient is φ = 15285600.

The previous prime is 30613871. The next prime is 30613903. The reversal of 30613892 is 29831603.

It can be written as a sum of positive squares in 2 ways, for example, as 16128256 + 14485636 = 4016^2 + 3806^2 .

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, 1859 + ... + 8042.

It is an arithmetic number, because the mean of its divisors is an integer number (4470753).

Almost surely, 2^30613892 is an apocalyptic number.

It is an amenable number.

30613892 is a deficient number, since it is larger than the sum of its proper divisors (23035144).

30613892 is a wasteful number, since it uses less digits than its factorization.

30613892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10678 (or 10676 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 30613892 is about 5532.9821976941. The cubic root of 30613892 is about 312.8284061173.

The spelling of 30613892 in words is "thirty million, six hundred thirteen thousand, eight hundred ninety-two".