74147981224 has 16 divisors (see below), whose sum is σ = 139039524000. Its totient is φ = 37070774832.

The previous prime is 74147981197. The next prime is 74147981249. The reversal of 74147981224 is 42218974147.

It is a happy 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, 302532 + ... + 489715.

It is an arithmetic number, because the mean of its divisors is an integer number (8689970250).

Almost surely, 2^74147981224 is an apocalyptic number.

It is an amenable number.

74147981224 is a deficient number, since it is larger than the sum of its proper divisors (64891542776).

74147981224 is a wasteful number, since it uses less digits than its factorization.

74147981224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803952 (or 803948 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The spelling of 74147981224 in words is "seventy-four billion, one hundred forty-seven million, nine hundred eighty-one thousand, two hundred twenty-four".