74648659343 has 4 divisors (see below), whose sum is σ = 74700249360. Its totient is φ = 74597069328.

The previous prime is 74648659331. The next prime is 74648659357. The reversal of 74648659343 is 34395684647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34395684647 = 443 ⋅77642629.

It is a cyclic number.

It is not a de Polignac number, because 74648659343 - 2³⁶ = 5929182607 is a prime.

It is a super-2 number, since 2×74648659343² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74648659303) 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, 25792838 + ... + 25795731.

It is an arithmetic number, because the mean of its divisors is an integer number (18675062340).

Almost surely, 2^74648659343 is an apocalyptic number.

74648659343 is a deficient number, since it is larger than the sum of its proper divisors (51590017).

74648659343 is a wasteful number, since it uses less digits than its factorization.

74648659343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51590016.

The product of its digits is 52254720, while the sum is 59.

The spelling of 74648659343 in words is "seventy-four billion, six hundred forty-eight million, six hundred fifty-nine thousand, three hundred forty-three".