74619950464656 has 135 divisors (see below), whose sum is σ = 209722835261563. Its totient is φ = 24767687884800.

The previous prime is 74619950464559. The next prime is 74619950464663. The reversal of 74619950464656 is 65646405991647.

The square root of 74619950464656 is 8638284.

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

74619950464656 is a `hidden beast` number, since 7 + 4 + 6 + 1 + 9 + 9 + 504 + 64 + 6 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28841410976400 + 45778539488256 = 5370420^2 + 6765984^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 26640466456 + ... + 26640469256.

Almost surely, 2^{74619950464656} is an apocalyptic number.

74619950464656 is the 8638284-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74619950464656

74619950464656 is an abundant number, since it is smaller than the sum of its proper divisors (135102884796907).

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

74619950464656 is an frugal number, since it uses more digits than its factorization.

74619950464656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130 (or 3063 counting only the distinct ones).

The product of its (nonzero) digits is 1175731200, while the sum is 72.

The spelling of 74619950464656 in words is "seventy-four trillion, six hundred nineteen billion, nine hundred fifty million, four hundred sixty-four thousand, six hundred fifty-six".