30625480 has 32 divisors (see below), whose sum is σ = 69075000. Its totient is φ = 12220416.

The previous prime is 30625459. The next prime is 30625481. The reversal of 30625480 is 8452603.

It can be written as a sum of positive squares in 4 ways, for example, as 12630916 + 17994564 = 3554^2 + 4242^2 .

It is not an unprimeable number, because it can be changed into a prime (30625481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23896 + ... + 25144.

Almost surely, 2^30625480 is an apocalyptic number.

It is an amenable number.

30625480 is an abundant number, since it is smaller than the sum of its proper divisors (38449520).

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

30625480 is a wasteful number, since it uses less digits than its factorization.

30625480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873 (or 1869 counting only the distinct ones).

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

The square root of 30625480 is about 5534.0292735041. The cubic root of 30625480 is about 312.8678718417.

The spelling of 30625480 in words is "thirty million, six hundred twenty-five thousand, four hundred eighty".