74119317172 has 12 divisors (see below), whose sum is σ = 130170404196. Its totient is φ = 36927773120.

The previous prime is 74119317137. The next prime is 74119317179. The reversal of 74119317172 is 27171391147.

It can be written as a sum of positive squares in 2 ways, for example, as 42404693776 + 31714623396 = 205924^2 + 178086^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74119317179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32970103 + ... + 32972350.

It is an arithmetic number, because the mean of its divisors is an integer number (10847533683).

Almost surely, 2^74119317172 is an apocalyptic number.

It is an amenable number.

74119317172 is a deficient number, since it is larger than the sum of its proper divisors (56051087024).

74119317172 is a wasteful number, since it uses less digits than its factorization.

74119317172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65942738 (or 65942736 counting only the distinct ones).

The product of its digits is 74088, while the sum is 43.

The spelling of 74119317172 in words is "seventy-four billion, one hundred nineteen million, three hundred seventeen thousand, one hundred seventy-two".