74656212379 has 24 divisors (see below), whose sum is σ = 91105106400. Its totient is φ = 60914165760.

The previous prime is 74656212343. The next prime is 74656212391. The reversal of 74656212379 is 97321265647.

It is a happy number.

It is not a de Polignac number, because 74656212379 - 2¹¹ = 74656210331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74656215379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269094 + ... + 470875.

It is an arithmetic number, because the mean of its divisors is an integer number (3796046100).

Almost surely, 2^74656212379 is an apocalyptic number.

74656212379 is a deficient number, since it is larger than the sum of its proper divisors (16448894021).

74656212379 is a wasteful number, since it uses less digits than its factorization.

74656212379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740083 (or 740076 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 52.

The spelling of 74656212379 in words is "seventy-four billion, six hundred fifty-six million, two hundred twelve thousand, three hundred seventy-nine".