74852630557 has 4 divisors (see below), whose sum is σ = 74887561600. Its totient is φ = 74817699516.

The previous prime is 74852630551. The next prime is 74852630563. The reversal of 74852630557 is 75503625847.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75503625847 = 13 ⋅5807971219.

It is an interprime number because it is at equal distance from previous prime (74852630551) and next prime (74852630563).

It is a cyclic number.

It is not a de Polignac number, because 74852630557 - 2²⁷ = 74718412829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74852630551) 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, 17462307 + ... + 17466592.

It is an arithmetic number, because the mean of its divisors is an integer number (18721890400).

Almost surely, 2^74852630557 is an apocalyptic number.

It is an amenable number.

74852630557 is a deficient number, since it is larger than the sum of its proper divisors (34931043).

74852630557 is a wasteful number, since it uses less digits than its factorization.

74852630557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34931042.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 74852630557 in words is "seventy-four billion, eight hundred fifty-two million, six hundred thirty thousand, five hundred fifty-seven".