74349521464 has 32 divisors (see below), whose sum is σ = 143839241280. Its totient is φ = 36008699904.

The previous prime is 74349521423. The next prime is 74349521503. The reversal of 74349521464 is 46412594347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982797 + ... + 1055740.

It is an arithmetic number, because the mean of its divisors is an integer number (4494976290).

Almost surely, 2^74349521464 is an apocalyptic number.

It is an amenable number.

74349521464 is a deficient number, since it is larger than the sum of its proper divisors (69489719816).

74349521464 is a wasteful number, since it uses less digits than its factorization.

74349521464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038687 (or 2038683 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The spelling of 74349521464 in words is "seventy-four billion, three hundred forty-nine million, five hundred twenty-one thousand, four hundred sixty-four".