74736703961 has 4 divisors (see below), whose sum is σ = 74776650624. Its totient is φ = 74696757300.

The previous prime is 74736703903. The next prime is 74736703963. The reversal of 74736703961 is 16930763747.

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 a de Polignac number, because none of the positive numbers 2^k-74736703961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74736703963) 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, 19970525 + ... + 19974266.

It is an arithmetic number, because the mean of its divisors is an integer number (18694162656).

Almost surely, 2^74736703961 is an apocalyptic number.

It is an amenable number.

74736703961 is a deficient number, since it is larger than the sum of its proper divisors (39946663).

74736703961 is a wasteful number, since it uses less digits than its factorization.

74736703961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39946662.

The product of its (nonzero) digits is 4000752, while the sum is 53.

The spelling of 74736703961 in words is "seventy-four billion, seven hundred thirty-six million, seven hundred three thousand, nine hundred sixty-one".