74720197107306 has 40 divisors (see below), whose sum is σ = 167444796855204. Its totient is φ = 24904321404480.

The previous prime is 74720197107263. The next prime is 74720197107329. The reversal of 74720197107306 is 60370179102747.

74720197107306 is a `hidden beast` number, since 7 + 47 + 2 + 0 + 197 + 107 + 306 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 74688329502081 + 31867605225 = 8642241^2 + 178515^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20644635 + ... + 23992526.

Almost surely, 2^{74720197107306} is an apocalyptic number.

74720197107306 is an abundant number, since it is smaller than the sum of its proper divisors (92724599747898).

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

74720197107306 is a wasteful number, since it uses less digits than its factorization.

74720197107306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44647508 (or 44647499 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 54.

The spelling of 74720197107306 in words is "seventy-four trillion, seven hundred twenty billion, one hundred ninety-seven million, one hundred seven thousand, three hundred six".