74704478004 has 36 divisors (see below), whose sum is σ = 203362191396. Its totient is φ = 22985993088.

The previous prime is 74704477931. The next prime is 74704478041. The reversal of 74704478004 is 40087440747.

It can be written as a sum of positive squares in 2 ways, for example, as 9884336400 + 64820141604 = 99420^2 + 254598^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79812009 + ... + 79812944.

It is an arithmetic number, because the mean of its divisors is an integer number (5648949761).

Almost surely, 2^74704478004 is an apocalyptic number.

It is an amenable number.

74704478004 is an abundant number, since it is smaller than the sum of its proper divisors (128657713392).

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

74704478004 is a wasteful number, since it uses less digits than its factorization.

74704478004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159624976 (or 159624971 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The spelling of 74704478004 in words is "seventy-four billion, seven hundred four million, four hundred seventy-eight thousand, four".