74660405740 has 12 divisors (see below), whose sum is σ = 156786852096. Its totient is φ = 29864162288.

The previous prime is 74660405717. The next prime is 74660405749. The reversal of 74660405740 is 4750406647.

It is a super-2 number, since 2×74660405740² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74660405749) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1866510124 + ... + 1866510163.

It is an arithmetic number, because the mean of its divisors is an integer number (13065571008).

Almost surely, 2^74660405740 is an apocalyptic number.

It is an amenable number.

74660405740 is an abundant number, since it is smaller than the sum of its proper divisors (82126446356).

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

74660405740 is a wasteful number, since it uses less digits than its factorization.

74660405740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733020296 (or 3733020294 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 74660405740 in words is "seventy-four billion, six hundred sixty million, four hundred five thousand, seven hundred forty".