74405712864938 has 64 divisors (see below), whose sum is σ = 150459984380160. Its totient is φ = 26748441603072.

The previous prime is 74405712864911. The next prime is 74405712864941. The reversal of 74405712864938 is 83946821750447.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 414537656 + ... + 414717107.

It is an arithmetic number, because the mean of its divisors is an integer number (2350937255940).

It is a 1-persistent number, because it is pandigital, but 2⋅74405712864938 = 148811425729876 is not.

Almost surely, 2^{74405712864938} is an apocalyptic number.

74405712864938 is an abundant number, since it is smaller than the sum of its proper divisors (76054271515222).

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

74405712864938 is a wasteful number, since it uses less digits than its factorization.

74405712864938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829254831.

The product of its (nonzero) digits is 325140480, while the sum is 68.

The spelling of 74405712864938 in words is "seventy-four trillion, four hundred five billion, seven hundred twelve million, eight hundred sixty-four thousand, nine hundred thirty-eight".