74516757212 has 12 divisors (see below), whose sum is σ = 130407893616. Its totient is φ = 37257359040.

The previous prime is 74516757199. The next prime is 74516757233. The reversal of 74516757212 is 21275761547.

It is a congruent number.

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, 76589 + ... + 393572.

It is an arithmetic number, because the mean of its divisors is an integer number (10867324468).

Almost surely, 2^74516757212 is an apocalyptic number.

It is an amenable number.

74516757212 is a deficient number, since it is larger than the sum of its proper divisors (55891136404).

74516757212 is a wasteful number, since it uses less digits than its factorization.

74516757212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509788 (or 509786 counting only the distinct ones).

The product of its digits is 823200, while the sum is 47.

The spelling of 74516757212 in words is "seventy-four billion, five hundred sixteen million, seven hundred fifty-seven thousand, two hundred twelve".