72423908460 has 96 divisors (see below), whose sum is σ = 226754243520. Its totient is φ = 19190006784.

The previous prime is 72423908411. The next prime is 72423908489. The reversal of 72423908460 is 6480932427.

72423908460 is a `hidden beast` number, since 7 + 2 + 423 + 90 + 84 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342349 + ... + 511908.

It is an arithmetic number, because the mean of its divisors is an integer number (2362023370).

Almost surely, 2^72423908460 is an apocalyptic number.

It is an amenable number.

72423908460 is an abundant number, since it is smaller than the sum of its proper divisors (154330335060).

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

72423908460 is a wasteful number, since it uses less digits than its factorization.

72423908460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854432 (or 854424 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 72423908460 in words is "seventy-two billion, four hundred twenty-three million, nine hundred eight thousand, four hundred sixty".