73989464 has 8 divisors (see below), whose sum is σ = 138730260. Its totient is φ = 36994728.

The previous prime is 73989407. The next prime is 73989493. The reversal of 73989464 is 46498937.

It is a tau number, because it is divible by the number of its divisors (8).

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, 4624334 + ... + 4624349.

Almost surely, 2^73989464 is an apocalyptic number.

It is an amenable number.

73989464 is a deficient number, since it is larger than the sum of its proper divisors (64740796).

73989464 is a wasteful number, since it uses less digits than its factorization.

73989464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248689 (or 9248685 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 73989464 is about 8601.7128526823. The cubic root of 73989464 is about 419.8137193573.

The spelling of 73989464 in words is "seventy-three million, nine hundred eighty-nine thousand, four hundred sixty-four".