74691467957 has 4 divisors (see below), whose sum is σ = 74715697920. Its totient is φ = 74667237996.

The previous prime is 74691467947. The next prime is 74691467987. The reversal of 74691467957 is 75976419647.

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: 75976419647 = 151 ⋅503155097.

It is a cyclic number.

It is not a de Polignac number, because 74691467957 - 2⁴ = 74691467941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74691467893 and 74691467902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74691467927) 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, 12110357 + ... + 12116522.

It is an arithmetic number, because the mean of its divisors is an integer number (18678924480).

Almost surely, 2^74691467957 is an apocalyptic number.

It is an amenable number.

74691467957 is a deficient number, since it is larger than the sum of its proper divisors (24229963).

74691467957 is a wasteful number, since it uses less digits than its factorization.

74691467957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24229962.

The product of its digits is 80015040, while the sum is 65.

The spelling of 74691467957 in words is "seventy-four billion, six hundred ninety-one million, four hundred sixty-seven thousand, nine hundred fifty-seven".