74534546157 has 4 divisors (see below), whose sum is σ = 99379394880. Its totient is φ = 49689697436.

The previous prime is 74534546117. The next prime is 74534546183. The reversal of 74534546157 is 75164543547.

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.

It is a cyclic number.

It is not a de Polignac number, because 74534546157 - 2²² = 74530351853 is a prime.

It is a super-3 number, since 3×74534546157³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74534546117) 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, 12422424357 + ... + 12422424362.

It is an arithmetic number, because the mean of its divisors is an integer number (24844848720).

Almost surely, 2^74534546157 is an apocalyptic number.

It is an amenable number.

74534546157 is a deficient number, since it is larger than the sum of its proper divisors (24844848723).

74534546157 is a wasteful number, since it uses less digits than its factorization.

74534546157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24844848722.

The product of its digits is 7056000, while the sum is 51.

The spelling of 74534546157 in words is "seventy-four billion, five hundred thirty-four million, five hundred forty-six thousand, one hundred fifty-seven".