30968536 has 16 divisors (see below), whose sum is σ = 59162400. Its totient is φ = 15191904.

The previous prime is 30968521. The next prime is 30968573. The reversal of 30968536 is 63586903.

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, 36096 + ... + 36943.

It is an arithmetic number, because the mean of its divisors is an integer number (3697650).

Almost surely, 2^30968536 is an apocalyptic number.

It is an amenable number.

30968536 is a deficient number, since it is larger than the sum of its proper divisors (28193864).

30968536 is a wasteful number, since it uses less digits than its factorization.

30968536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73098 (or 73094 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 30968536 is about 5564.9380948938. The cubic root of 30968536 is about 314.0317492610.

The spelling of 30968536 in words is "thirty million, nine hundred sixty-eight thousand, five hundred thirty-six".