72673956 has 48 divisors (see below), whose sum is σ = 192808000. Its totient is φ = 23659776.

The previous prime is 72673933. The next prime is 72673987. The reversal of 72673956 is 65937627.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3181 + ... + 12468.

Almost surely, 2^72673956 is an apocalyptic number.

It is an amenable number.

72673956 is an abundant number, since it is smaller than the sum of its proper divisors (120134044).

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

72673956 is a wasteful number, since it uses less digits than its factorization.

72673956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15705 (or 15697 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 72673956 is about 8524.9021108749. The cubic root of 72673956 is about 417.3107770770.

The spelling of 72673956 in words is "seventy-two million, six hundred seventy-three thousand, nine hundred fifty-six".