73888828 has 18 divisors (see below), whose sum is σ = 140018424. Its totient is φ = 34102224.

The previous prime is 73888823. The next prime is 73888861. The reversal of 73888828 is 82888837.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73888823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53976 + ... + 55327.

Almost surely, 2^73888828 is an apocalyptic number.

It is an amenable number.

73888828 is a deficient number, since it is larger than the sum of its proper divisors (66129596).

73888828 is a wasteful number, since it uses less digits than its factorization.

73888828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109333 (or 109318 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 52.

The square root of 73888828 is about 8595.8610970629. The cubic root of 73888828 is about 419.6232979097.

Subtracting 73888828 from its reverse (82888837), we obtain a palindrome (9000009).

The spelling of 73888828 in words is "seventy-three million, eight hundred eighty-eight thousand, eight hundred twenty-eight".