73890988 has 12 divisors (see below), whose sum is σ = 129514840. Its totient is φ = 36886752.

The previous prime is 73890967. The next prime is 73890989. The reversal of 73890988 is 88909837.

It is a super-2 number, since 2×73890988² = 10919756215232288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73890989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11793 + ... + 16936.

Almost surely, 2^73890988 is an apocalyptic number.

It is an amenable number.

73890988 is a deficient number, since it is larger than the sum of its proper divisors (55623852).

73890988 is a wasteful number, since it uses less digits than its factorization.

73890988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29376 (or 29374 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 73890988 is about 8595.9867380075. The cubic root of 73890988 is about 419.6273868341.

The spelling of 73890988 in words is "seventy-three million, eight hundred ninety thousand, nine hundred eighty-eight".