74749064758 has 4 divisors (see below), whose sum is σ = 112123597140. Its totient is φ = 37374532378.

The previous prime is 74749064737. The next prime is 74749064777. The reversal of 74749064758 is 85746094747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85746094747 = 10099 ⋅8490553.

It is a junction number, because it is equal to n+sod(n) for n = 74749064696 and 74749064705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18687266188 + ... + 18687266191.

It is an arithmetic number, because the mean of its divisors is an integer number (28030899285).

Almost surely, 2^74749064758 is an apocalyptic number.

74749064758 is a deficient number, since it is larger than the sum of its proper divisors (37374532382).

74749064758 is a wasteful number, since it uses less digits than its factorization.

74749064758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37374532381.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 74749064758 in words is "seventy-four billion, seven hundred forty-nine million, sixty-four thousand, seven hundred fifty-eight".