30675664 has 20 divisors (see below), whose sum is σ = 61041604. Its totient is φ = 14923008.

The previous prime is 30675653. The next prime is 30675677. The reversal of 30675664 is 46657603.

It can be written as a sum of positive squares in 2 ways, for example, as 20178064 + 10497600 = 4492^2 + 3240^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 25317 + ... + 26500.

Almost surely, 2^30675664 is an apocalyptic number.

It is an amenable number.

30675664 is a deficient number, since it is larger than the sum of its proper divisors (30365940).

30675664 is a wasteful number, since it uses less digits than its factorization.

30675664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51862 (or 51856 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 30675664 is about 5538.5615461056. The cubic root of 30675664 is about 313.0386707215.

The spelling of 30675664 in words is "thirty million, six hundred seventy-five thousand, six hundred sixty-four".