30452680 has 32 divisors (see below), whose sum is σ = 69463800. Its totient is φ = 12013056.

The previous prime is 30452651. The next prime is 30452689. The reversal of 30452680 is 8625403.

It can be written as a sum of positive squares in 4 ways, for example, as 30228004 + 224676 = 5498^2 + 474^2 .

It is not an unprimeable number, because it can be changed into a prime (30452689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2295 + ... + 8134.

Almost surely, 2^30452680 is an apocalyptic number.

It is an amenable number.

30452680 is an abundant number, since it is smaller than the sum of its proper divisors (39011120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30452680 is a wasteful number, since it uses less digits than its factorization.

30452680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10513 (or 10509 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 30452680 is about 5518.3946941117. The cubic root of 30452680 is about 312.2783238548.

The spelling of 30452680 in words is "thirty million, four hundred fifty-two thousand, six hundred eighty".