73887964 has 24 divisors (see below), whose sum is σ = 134140608. Its totient is φ = 35582400.

The previous prime is 73887959. The next prime is 73887991. The reversal of 73887964 is 46978837.

It is a happy number.

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, 12477 + ... + 17419.

It is an arithmetic number, because the mean of its divisors is an integer number (5589192).

Almost surely, 2^73887964 is an apocalyptic number.

73887964 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

73887964 is a deficient number, since it is larger than the sum of its proper divisors (60252644).

73887964 is a wasteful number, since it uses less digits than its factorization.

73887964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085 (or 5083 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 73887964 is about 8595.8108401709. The cubic root of 73887964 is about 419.6216623177.

The spelling of 73887964 in words is "seventy-three million, eight hundred eighty-seven thousand, nine hundred sixty-four".