73844426785284 has 81 divisors (see below), whose sum is σ = 187152717481639. Its totient is φ = 24550307783760.

The previous prime is 73844426785139. The next prime is 73844426785361. The reversal of 73844426785284 is 48258762444837.

The square root of 73844426785284 is 8593278.

It is a perfect power (a square), and thus also a powerful number.

73844426785284 is a `hidden beast` number, since 7 + 3 + 8 + 4 + 4 + 4 + 26 + 78 + 528 + 4 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 22222215247 + ... + 22222218569.

Almost surely, 2^{73844426785284} is an apocalyptic number.

73844426785284 is the 8593278-th square number.

It is an amenable number.

73844426785284 is an abundant number, since it is smaller than the sum of its proper divisors (113308290696355).

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

73844426785284 is an frugal number, since it uses more digits than its factorization.

73844426785284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518 (or 3759 counting only the distinct ones).

The product of its digits is 2312110080, while the sum is 72.

The spelling of 73844426785284 in words is "seventy-three trillion, eight hundred forty-four billion, four hundred twenty-six million, seven hundred eighty-five thousand, two hundred eighty-four".