74386873472 has 24 divisors (see below), whose sum is σ = 148198747035. Its totient is φ = 37191893888.

The previous prime is 74386873439. The next prime is 74386873501. The reversal of 74386873472 is 27437868347.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 37193436736 + 37193436736 = 192856^2 + 192856^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=192856.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3073643 + ... + 3097749.

Almost surely, 2^74386873472 is an apocalyptic number.

It is an amenable number.

74386873472 is a deficient number, since it is larger than the sum of its proper divisors (73811873563).

74386873472 is an frugal number, since it uses more digits than its factorization.

74386873472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48228 (or 24109 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 59.

The spelling of 74386873472 in words is "seventy-four billion, three hundred eighty-six million, eight hundred seventy-three thousand, four hundred seventy-two".