74899534450 has 96 divisors (see below), whose sum is σ = 151089079680. Its totient is φ = 27460684800.

The previous prime is 74899534393. The next prime is 74899534511. The reversal of 74899534450 is 5443599847.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101352181 + ... + 101352919.

It is an arithmetic number, because the mean of its divisors is an integer number (1573844580).

Almost surely, 2^74899534450 is an apocalyptic number.

74899534450 is an abundant number, since it is smaller than the sum of its proper divisors (76189545230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74899534450 is a wasteful number, since it uses less digits than its factorization.

74899534450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 74899534450 in words is "seventy-four billion, eight hundred ninety-nine million, five hundred thirty-four thousand, four hundred fifty".