74866863774096 has 75 divisors (see below), whose sum is σ = 216687325948401. Its totient is φ = 24955517427264.

The previous prime is 74866863774049. The next prime is 74866863774139. The reversal of 74866863774096 is 69047736866847.

The square root of 74866863774096 is 8652564.

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

74866863774096 is a `hidden beast` number, since 7 + 4 + 8 + 66 + 86 + 3 + 77 + 409 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30001516388496 + 44865347385600 = 5477364^2 + 6698160^2 .

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 311372130 + ... + 311612478.

Almost surely, 2^{74866863774096} is an apocalyptic number.

74866863774096 is the 8652564-th square number.

It is an amenable number.

74866863774096 is an abundant number, since it is smaller than the sum of its proper divisors (141820462174305).

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

74866863774096 is an frugal number, since it uses more digits than its factorization.

74866863774096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480718 (or 240354 counting only the distinct ones).

The product of its (nonzero) digits is 12290310144, while the sum is 81.

74866863774096 divided by its sum of digits (81) gives a square (924282268816 = 961396²).

The spelling of 74866863774096 in words is "seventy-four trillion, eight hundred sixty-six billion, eight hundred sixty-three million, seven hundred seventy-four thousand, ninety-six".