74390539148 has 24 divisors (see below), whose sum is σ = 132014147328. Its totient is φ = 36673995536.

The previous prime is 74390539133. The next prime is 74390539169. The reversal of 74390539148 is 84193509347.

It is a self number, because there is not a number n which added to its sum of digits gives 74390539148.

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, 55736 + ... + 389727.

It is an arithmetic number, because the mean of its divisors is an integer number (5500589472).

Almost surely, 2^74390539148 is an apocalyptic number.

It is an amenable number.

74390539148 is a deficient number, since it is larger than the sum of its proper divisors (57623608180).

74390539148 is a wasteful number, since it uses less digits than its factorization.

74390539148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446053 (or 446051 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 74390539148 in words is "seventy-four billion, three hundred ninety million, five hundred thirty-nine thousand, one hundred forty-eight".