74000797939 has 4 divisors (see below), whose sum is σ = 74001399120. Its totient is φ = 74000196760.

The previous prime is 74000797933. The next prime is 74000797943. The reversal of 74000797939 is 93979700047.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 74000797939 - 2⁹ = 74000797427 is a prime.

It is a super-2 number, since 2×74000797939² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74000797939.

It is not an unprimeable number, because it can be changed into a prime (74000797933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41527 + ... + 386944.

It is an arithmetic number, because the mean of its divisors is an integer number (18500349780).

Almost surely, 2^74000797939 is an apocalyptic number.

74000797939 is a deficient number, since it is larger than the sum of its proper divisors (601181).

74000797939 is a wasteful number, since it uses less digits than its factorization.

74000797939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601180.

The product of its (nonzero) digits is 3000564, while the sum is 55.

The spelling of 74000797939 in words is "seventy-four billion, seven hundred ninety-seven thousand, nine hundred thirty-nine".