74088631922 has 18 divisors (see below), whose sum is σ = 111814384647. Its totient is φ = 36818549824.

The previous prime is 74088631873. The next prime is 74088631933. The reversal of 74088631922 is 22913688047.

It can be written as a sum of positive squares in 5 ways, for example, as 63580126801 + 10508505121 = 252151^2 + 102511^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=192469.

It is a super-3 number, since 3×74088631922³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 75832298 + ... + 75833274.

Almost surely, 2^74088631922 is an apocalyptic number.

74088631922 is a deficient number, since it is larger than the sum of its proper divisors (37725752725).

74088631922 is an frugal number, since it uses more digits than its factorization.

74088631922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

Multiplying 74088631922 by its sum of digits (50), we get a square (3704431596100 = 1924690²).

The spelling of 74088631922 in words is "seventy-four billion, eighty-eight million, six hundred thirty-one thousand, nine hundred twenty-two".