71674391616 has 28 divisors (see below), whose sum is σ = 189638494992. Its totient is φ = 23891463808.

The previous prime is 71674391573. The next prime is 71674391629. The reversal of 71674391616 is 61619347617.

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, 186651870 + ... + 186652253.

Almost surely, 2^71674391616 is an apocalyptic number.

It is an amenable number.

71674391616 is an abundant number, since it is smaller than the sum of its proper divisors (117964103376).

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

71674391616 is a wasteful number, since it uses less digits than its factorization.

71674391616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373304138 (or 373304128 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The spelling of 71674391616 in words is "seventy-one billion, six hundred seventy-four million, three hundred ninety-one thousand, six hundred sixteen".