74577423650 has 12 divisors (see below), whose sum is σ = 138714008082. Its totient is φ = 29830969440.

The previous prime is 74577423629. The next prime is 74577423703. The reversal of 74577423650 is 5632477547.

It can be written as a sum of positive squares in 3 ways, for example, as 32752674529 + 41824749121 = 180977^2 + 204511^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 1491548473 = 74577423650 / (7 + 4 + 5 + 7 + 7 + 4 + 2 + 3 + 6 + 5 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745774187 + ... + 745774286.

Almost surely, 2^74577423650 is an apocalyptic number.

74577423650 is a deficient number, since it is larger than the sum of its proper divisors (64136584432).

74577423650 is a wasteful number, since it uses less digits than its factorization.

74577423650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491548485 (or 1491548480 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 50.

The spelling of 74577423650 in words is "seventy-four billion, five hundred seventy-seven million, four hundred twenty-three thousand, six hundred fifty".