73889960 has 32 divisors (see below), whose sum is σ = 166755240. Its totient is φ = 29466624.

The previous prime is 73889929. The next prime is 73889983. The reversal of 73889960 is 6998837.

It can be written as a sum of positive squares in 4 ways, for example, as 70526404 + 3363556 = 8398^2 + 1834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73889899 and 73889908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11504 + ... + 16736.

Almost surely, 2^73889960 is an apocalyptic number.

It is an amenable number.

73889960 is an abundant number, since it is smaller than the sum of its proper divisors (92865280).

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

73889960 is a wasteful number, since it uses less digits than its factorization.

73889960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597 (or 5593 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 73889960 is about 8595.9269424536. The cubic root of 73889960 is about 419.6254408189.

The spelling of 73889960 in words is "seventy-three million, eight hundred eighty-nine thousand, nine hundred sixty".