630254872 has 32 divisors (see below), whose sum is σ = 1347494400. Its totient is φ = 273775104.

The previous prime is 630254861. The next prime is 630254887. The reversal of 630254872 is 278452036.

It is a congruent number.

It is an unprimeable number.

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, 176472 + ... + 180007.

It is an arithmetic number, because the mean of its divisors is an integer number (42109200).

Almost surely, 2^630254872 is an apocalyptic number.

It is an amenable number.

630254872 is an abundant number, since it is smaller than the sum of its proper divisors (717239528).

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

630254872 is a wasteful number, since it uses less digits than its factorization.

630254872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356515 (or 356511 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 630254872 is about 25104.8774543912. The cubic root of 630254872 is about 857.3774769056.

It can be divided in two parts, 630254 and 872, that added together give a triangular number (631126 = T₁₁₂₃).

The spelling of 630254872 in words is "six hundred thirty million, two hundred fifty-four thousand, eight hundred seventy-two".