74408662772 has 24 divisors (see below), whose sum is σ = 130872340872. Its totient is φ = 37016806400.

The previous prime is 74408662747. The next prime is 74408662781. The reversal of 74408662772 is 27726680447.

It can be written as a sum of positive squares in 4 ways, for example, as 2812817296 + 71595845476 = 53036^2 + 267574^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239122 + ... + 1297782.

It is an arithmetic number, because the mean of its divisors is an integer number (5453014203).

Almost surely, 2^74408662772 is an apocalyptic number.

It is an amenable number.

74408662772 is a deficient number, since it is larger than the sum of its proper divisors (56463678100).

74408662772 is a wasteful number, since it uses less digits than its factorization.

74408662772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60259 (or 60257 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 53.

The spelling of 74408662772 in words is "seventy-four billion, four hundred eight million, six hundred sixty-two thousand, seven hundred seventy-two".