30472605 has 40 divisors (see below), whose sum is σ = 55489632. Its totient is φ = 15995232.

The previous prime is 30472583. The next prime is 30472627. The reversal of 30472605 is 50627403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30472583) and next prime (30472627).

It is not a de Polignac number, because 30472605 - 2⁹ = 30472093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26574 + ... + 27696.

Almost surely, 2^30472605 is an apocalyptic number.

It is an amenable number.

30472605 is a deficient number, since it is larger than the sum of its proper divisors (25017027).

30472605 is a wasteful number, since it uses less digits than its factorization.

30472605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 30472605 is about 5520.1997246477. The cubic root of 30472605 is about 312.3464162642.

The spelling of 30472605 in words is "thirty million, four hundred seventy-two thousand, six hundred five".