74398675715 has 16 divisors (see below), whose sum is σ = 109881121728. Its totient is φ = 47091908736.

The previous prime is 74398675661. The next prime is 74398675739. The reversal of 74398675715 is 51757689347.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 74398675715 - 2³⁶ = 5679198979 is a prime.

It is a super-2 number, since 2×74398675715² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81756332 + ... + 81757241.

It is an arithmetic number, because the mean of its divisors is an integer number (6867570108).

Almost surely, 2^74398675715 is an apocalyptic number.

74398675715 is a deficient number, since it is larger than the sum of its proper divisors (35482446013).

74398675715 is a wasteful number, since it uses less digits than its factorization.

74398675715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163513598.

The product of its digits is 44452800, while the sum is 62.

The spelling of 74398675715 in words is "seventy-four billion, three hundred ninety-eight million, six hundred seventy-five thousand, seven hundred fifteen".