72670489632 has 96 divisors (see below), whose sum is σ = 228259906560. Its totient is φ = 22360147200.

The previous prime is 72670489603. The next prime is 72670489651. The reversal of 72670489632 is 23698407627.

72670489632 is a `hidden beast` number, since 72 + 67 + 0 + 489 + 6 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3223744 + ... + 3246207.

It is an arithmetic number, because the mean of its divisors is an integer number (2377707360).

Almost surely, 2^72670489632 is an apocalyptic number.

72670489632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

72670489632 is an abundant number, since it is smaller than the sum of its proper divisors (155589416928).

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

72670489632 is a wasteful number, since it uses less digits than its factorization.

72670489632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469983 (or 6469969 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 72670489632 in words is "seventy-two billion, six hundred seventy million, four hundred eighty-nine thousand, six hundred thirty-two".