74972398575171 has 32 divisors (see below), whose sum is σ = 102634629672960. Its totient is φ = 48657355641216.

The previous prime is 74972398575161. The next prime is 74972398575181. The reversal of 74972398575171 is 17157589327947.

It is an interprime number because it is at equal distance from previous prime (74972398575161) and next prime (74972398575181).

It is not a de Polignac number, because 74972398575171 - 2¹⁰ = 74972398574147 is a prime.

It is a super-2 number, since 2×74972398575171² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74972398575093 and 74972398575102.

It is not an unprimeable number, because it can be changed into a prime (74972398575161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108513705 + ... + 109202421.

It is an arithmetic number, because the mean of its divisors is an integer number (3207332177280).

Almost surely, 2^{74972398575171} is an apocalyptic number.

74972398575171 is a deficient number, since it is larger than the sum of its proper divisors (27662231097789).

74972398575171 is a wasteful number, since it uses less digits than its factorization.

74972398575171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692883.

The product of its digits is 933508800, while the sum is 75.

The spelling of 74972398575171 in words is "seventy-four trillion, nine hundred seventy-two billion, three hundred ninety-eight million, five hundred seventy-five thousand, one hundred seventy-one".