73788864 has 28 divisors (see below), whose sum is σ = 195233544. Its totient is φ = 24596224.

The previous prime is 73788863. The next prime is 73788893. The reversal of 73788864 is 46888737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73788863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 191967 + ... + 192350.

Almost surely, 2^73788864 is an apocalyptic number.

It is an amenable number.

73788864 is an abundant number, since it is smaller than the sum of its proper divisors (121444680).

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

73788864 is a wasteful number, since it uses less digits than its factorization.

73788864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384332 (or 384322 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 73788864 is about 8590.0444701992. The cubic root of 73788864 is about 419.4339767567.

The spelling of 73788864 in words is "seventy-three million, seven hundred eighty-eight thousand, eight hundred sixty-four".