30660752 has 20 divisors (see below), whose sum is σ = 59719020. Its totient is φ = 15249408.

The previous prime is 30660739. The next prime is 30660757. The reversal of 30660752 is 25706603.

It can be written as a sum of positive squares in 2 ways, for example, as 6885376 + 23775376 = 2624^2 + 4876^2 .

It is not an unprimeable number, because it can be changed into a prime (30660757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877 + ... + 8052.

It is an arithmetic number, because the mean of its divisors is an integer number (2985951).

Almost surely, 2^30660752 is an apocalyptic number.

It is an amenable number.

30660752 is a deficient number, since it is larger than the sum of its proper divisors (29058268).

30660752 is a wasteful number, since it uses less digits than its factorization.

30660752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10130 (or 10124 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 30660752 is about 5537.2151845490. The cubic root of 30660752 is about 312.9879378966.

The spelling of 30660752 in words is "thirty million, six hundred sixty thousand, seven hundred fifty-two".