74147657612 has 24 divisors (see below), whose sum is σ = 148333145856. Its totient is φ = 31769461008.

The previous prime is 74147657611. The next prime is 74147657629. The reversal of 74147657612 is 21675674147.

It is not an unprimeable number, because it can be changed into a prime (74147657611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225398 + ... + 446205.

It is an arithmetic number, because the mean of its divisors is an integer number (6180547744).

Almost surely, 2^74147657612 is an apocalyptic number.

It is an amenable number.

74147657612 is an abundant number, since it is smaller than the sum of its proper divisors (74185488244).

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

74147657612 is a wasteful number, since it uses less digits than its factorization.

74147657612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675557 (or 675555 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 50.

The spelling of 74147657612 in words is "seventy-four billion, one hundred forty-seven million, six hundred fifty-seven thousand, six hundred twelve".