73888816 has 20 divisors (see below), whose sum is σ = 144022032. Its totient is φ = 36721856.

The previous prime is 73888813. The next prime is 73888823. The reversal of 73888816 is 61888837.

It is a self number, because there is not a number n which added to its sum of digits gives 73888816.

It is not an unprimeable number, because it can be changed into a prime (73888813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11155 + ... + 16498.

Almost surely, 2^73888816 is an apocalyptic number.

It is an amenable number.

73888816 is a deficient number, since it is larger than the sum of its proper divisors (70133216).

73888816 is a wasteful number, since it uses less digits than its factorization.

73888816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27828 (or 27822 counting only the distinct ones).

The product of its digits is 516096, while the sum is 49.

The square root of 73888816 is about 8595.8603990526. The cubic root of 73888816 is about 419.6232751933.

The spelling of 73888816 in words is "seventy-three million, eight hundred eighty-eight thousand, eight hundred sixteen".