72631450 has 48 divisors (see below), whose sum is σ = 142562304. Its totient is φ = 27489600.

The previous prime is 72631441. The next prime is 72631469. The reversal of 72631450 is 5413627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72352 + ... + 73348.

It is an arithmetic number, because the mean of its divisors is an integer number (2970048).

Almost surely, 2^72631450 is an apocalyptic number.

72631450 is a deficient number, since it is larger than the sum of its proper divisors (69930854).

72631450 is a wasteful number, since it uses less digits than its factorization.

72631450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72631450 is about 8522.4086970762. The cubic root of 72631450 is about 417.2294014266.

The spelling of 72631450 in words is "seventy-two million, six hundred thirty-one thousand, four hundred fifty".