74405555774 has 16 divisors (see below), whose sum is σ = 121758819840. Its totient is φ = 33819519960.

The previous prime is 74405555767. The next prime is 74405555801. The reversal of 74405555774 is 47755550447.

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, 1008467 + ... + 1079729.

It is an arithmetic number, because the mean of its divisors is an integer number (7609926240).

Almost surely, 2^74405555774 is an apocalyptic number.

74405555774 is a deficient number, since it is larger than the sum of its proper divisors (47353264066).

74405555774 is a wasteful number, since it uses less digits than its factorization.

74405555774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118735.

The product of its (nonzero) digits is 13720000, while the sum is 53.

The spelling of 74405555774 in words is "seventy-four billion, four hundred five million, five hundred fifty-five thousand, seven hundred seventy-four".