73896728 has 16 divisors (see below), whose sum is σ = 139649280. Its totient is φ = 36656928.

The previous prime is 73896701. The next prime is 73896731. The reversal of 73896728 is 82769837.

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 3 ways as a sum of consecutive naturals, for example, 35351 + ... + 37382.

It is an arithmetic number, because the mean of its divisors is an integer number (8728080).

Almost surely, 2^73896728 is an apocalyptic number.

It is an amenable number.

73896728 is a deficient number, since it is larger than the sum of its proper divisors (65752552).

73896728 is a wasteful number, since it uses less digits than its factorization.

73896728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72866 (or 72862 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 73896728 is about 8596.3206082603. The cubic root of 73896728 is about 419.6382523848.

The spelling of 73896728 in words is "seventy-three million, eight hundred ninety-six thousand, seven hundred twenty-eight".