74860732693 has 4 divisors (see below), whose sum is σ = 75031258720. Its totient is φ = 74690206668.

The previous prime is 74860732663. The next prime is 74860732699. The reversal of 74860732693 is 39623706847.

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: 39623706847 = 19993 ⋅1981879.

It is a cyclic number.

It is not a de Polignac number, because 74860732693 - 2⁹ = 74860732181 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 (74860732699) 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, 85262355 + ... + 85263232.

It is an arithmetic number, because the mean of its divisors is an integer number (18757814680).

Almost surely, 2^74860732693 is an apocalyptic number.

It is an amenable number.

74860732693 is a deficient number, since it is larger than the sum of its proper divisors (170526027).

74860732693 is a wasteful number, since it uses less digits than its factorization.

74860732693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170526026.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 74860732693 in words is "seventy-four billion, eight hundred sixty million, seven hundred thirty-two thousand, six hundred ninety-three".