74251935522 has 90 divisors (see below), whose sum is σ = 169136173899. Its totient is φ = 24347171160.

The previous prime is 74251935491. The next prime is 74251935523. The reversal of 74251935522 is 22553915247.

74251935522 is a `hidden beast` number, since 7 + 4 + 2 + 5 + 1 + 93 + 552 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37125967761 + 37125967761 = 192681^2 + 192681^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=192681.

It is not an unprimeable number, because it can be changed into a prime (74251935523) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 273992247 + ... + 273992517.

Almost surely, 2^74251935522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74251935522

74251935522 is an abundant number, since it is smaller than the sum of its proper divisors (94884238377).

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

74251935522 is an frugal number, since it uses more digits than its factorization.

74251935522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 355 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The spelling of 74251935522 in words is "seventy-four billion, two hundred fifty-one million, nine hundred thirty-five thousand, five hundred twenty-two".