74022687572 has 12 divisors (see below), whose sum is σ = 134006589780. Its totient is φ = 35735090496.

The previous prime is 74022687539. The next prime is 74022687577. The reversal of 74022687572 is 27578622047.

It can be written as a sum of positive squares in 2 ways, for example, as 60769152196 + 13253535376 = 246514^2 + 115124^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74022687572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74022687577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319063193 + ... + 319063424.

It is an arithmetic number, because the mean of its divisors is an integer number (11167215815).

Almost surely, 2^74022687572 is an apocalyptic number.

It is an amenable number.

74022687572 is a deficient number, since it is larger than the sum of its proper divisors (59983902208).

74022687572 is a wasteful number, since it uses less digits than its factorization.

74022687572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638126650 (or 638126648 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 50.

The spelling of 74022687572 in words is "seventy-four billion, twenty-two million, six hundred eighty-seven thousand, five hundred seventy-two".