73999056 has 40 divisors (see below), whose sum is σ = 195237504. Its totient is φ = 24140800.

The previous prime is 73999033. The next prime is 73999061. The reversal of 73999056 is 65099937.

It is a happy number.

It is a super-2 number, since 2×73999056² = 10951720577782272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 73998996 and 73999014.

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, 14145 + ... + 18656.

Almost surely, 2^73999056 is an apocalyptic number.

It is an amenable number.

73999056 is an abundant number, since it is smaller than the sum of its proper divisors (121238448).

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

73999056 is a wasteful number, since it uses less digits than its factorization.

73999056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32859 (or 32853 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 73999056 is about 8602.2703979822. The cubic root of 73999056 is about 419.8318601347.

The spelling of 73999056 in words is "seventy-three million, nine hundred ninety-nine thousand, fifty-six".