74322679840 has 24 divisors (see below), whose sum is σ = 175587331500. Its totient is φ = 29729071872.

The previous prime is 74322679819. The next prime is 74322679859. The reversal of 74322679840 is 4897622347.

It can be written as a sum of positive squares in 2 ways, for example, as 72776931984 + 1545747856 = 269772^2 + 39316^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232258215 + ... + 232258534.

Almost surely, 2^74322679840 is an apocalyptic number.

It is an amenable number.

74322679840 is an abundant number, since it is smaller than the sum of its proper divisors (101264651660).

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

74322679840 is a wasteful number, since it uses less digits than its factorization.

74322679840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464516764 (or 464516756 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 74322679840 in words is "seventy-four billion, three hundred twenty-two million, six hundred seventy-nine thousand, eight hundred forty".