74681497701 has 12 divisors (see below), whose sum is σ = 111353057920. Its totient is φ = 48181611240.

The previous prime is 74681497691. The next prime is 74681497721. The reversal of 74681497701 is 10779418647.

It is a happy number.

74681497701 is a `hidden beast` number, since 7 + 4 + 6 + 81 + 497 + 70 + 1 = 666.

It is not a de Polignac number, because 74681497701 - 2¹⁰ = 74681496677 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 (74681497721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133837531 + ... + 133838088.

Almost surely, 2^74681497701 is an apocalyptic number.

It is an amenable number.

74681497701 is a deficient number, since it is larger than the sum of its proper divisors (36671560219).

74681497701 is a wasteful number, since it uses less digits than its factorization.

74681497701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267675656 (or 267675653 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 74681497701 in words is "seventy-four billion, six hundred eighty-one million, four hundred ninety-seven thousand, seven hundred one".