73977952 has 12 divisors (see below), whose sum is σ = 145644156. Its totient is φ = 36988960.

The previous prime is 73977949. The next prime is 73977961. The reversal of 73977952 is 25977937.

It is a super-2 number, since 2×73977952² = 10945474764228608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73977896 and 73977905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155874 + ... + 1155937.

It is an arithmetic number, because the mean of its divisors is an integer number (12137013).

Almost surely, 2^73977952 is an apocalyptic number.

It is an amenable number.

73977952 is a deficient number, since it is larger than the sum of its proper divisors (71666204).

73977952 is a wasteful number, since it uses less digits than its factorization.

73977952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311821 (or 2311813 counting only the distinct ones).

The product of its digits is 833490, while the sum is 49.

The square root of 73977952 is about 8601.0436576034. The cubic root of 73977952 is about 419.7919453282.

The spelling of 73977952 in words is "seventy-three million, nine hundred seventy-seven thousand, nine hundred fifty-two".