30672865 has 16 divisors (see below), whose sum is σ = 38304000. Its totient is φ = 23550912.

The previous prime is 30672853. The next prime is 30672893. The reversal of 30672865 is 56827603.

It is a cyclic number.

It is not a de Polignac number, because 30672865 - 2⁷ = 30672737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28324 + ... + 29386.

It is an arithmetic number, because the mean of its divisors is an integer number (2394000).

Almost surely, 2^30672865 is an apocalyptic number.

It is an amenable number.

30672865 is a deficient number, since it is larger than the sum of its proper divisors (7631135).

30672865 is a wasteful number, since it uses less digits than its factorization.

30672865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 30672865 is about 5538.3088574040. The cubic root of 30672865 is about 313.0291493640.

The spelling of 30672865 in words is "thirty million, six hundred seventy-two thousand, eight hundred sixty-five".