73715851428 has 24 divisors (see below), whose sum is σ = 173033620032. Its totient is φ = 24424812384.

The previous prime is 73715851427. The next prime is 73715851609. The reversal of 73715851428 is 82415851737.

It is not an unprimeable number, because it can be changed into a prime (73715851427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18390175 + ... + 18394182.

It is an arithmetic number, because the mean of its divisors is an integer number (7209734168).

Almost surely, 2^73715851428 is an apocalyptic number.

It is an amenable number.

73715851428 is an abundant number, since it is smaller than the sum of its proper divisors (99317768604).

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

73715851428 is a wasteful number, since it uses less digits than its factorization.

73715851428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36784531 (or 36784529 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 51.

The spelling of 73715851428 in words is "seventy-three billion, seven hundred fifteen million, eight hundred fifty-one thousand, four hundred twenty-eight".