73972956 has 24 divisors (see below), whose sum is σ = 172750480. Its totient is φ = 24636672.

The previous prime is 73972919. The next prime is 73972981. The reversal of 73972956 is 65927937.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19590 + ... + 23058.

Almost surely, 2^73972956 is an apocalyptic number.

It is an amenable number.

73972956 is an abundant number, since it is smaller than the sum of its proper divisors (98777524).

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

73972956 is a wasteful number, since it uses less digits than its factorization.

73972956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253 (or 5251 counting only the distinct ones).

The product of its digits is 714420, while the sum is 48.

The square root of 73972956 is about 8600.7532228288. The cubic root of 73972956 is about 419.7824950902.

The spelling of 73972956 in words is "seventy-three million, nine hundred seventy-two thousand, nine hundred fifty-six".