74009994774 has 32 divisors (see below), whose sum is σ = 149493842784. Its totient is φ = 24425541120.

The previous prime is 74009994731. The next prime is 74009994809. The reversal of 74009994774 is 47749990047.

It is a super-2 number, since 2×74009994774² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102232 + ... + 398084.

It is an arithmetic number, because the mean of its divisors is an integer number (4671682587).

Almost surely, 2^74009994774 is an apocalyptic number.

74009994774 is an abundant number, since it is smaller than the sum of its proper divisors (75483848010).

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

74009994774 is a wasteful number, since it uses less digits than its factorization.

74009994774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296272.

The product of its (nonzero) digits is 16003008, while the sum is 60.

The spelling of 74009994774 in words is "seventy-four billion, nine million, nine hundred ninety-four thousand, seven hundred seventy-four".