74670289221888 has 54 divisors (see below), whose sum is σ = 215292852133814. Its totient is φ = 24890096406528.

The previous prime is 74670289221877. The next prime is 74670289221889. The reversal of 74670289221888 is 88812298207647.

74670289221888 is a `hidden beast` number, since 7 + 46 + 7 + 0 + 289 + 221 + 8 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43857665190144 + 30812624031744 = 6622512^2 + 5550912^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (74670289221889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16204487545 + ... + 16204492152.

Almost surely, 2^{74670289221888} is an apocalyptic number.

It is an amenable number.

74670289221888 is an abundant number, since it is smaller than the sum of its proper divisors (140622562911926).

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

74670289221888 is a wasteful number, since it uses less digits than its factorization.

74670289221888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32408979719 (or 32408979702 counting only the distinct ones).

The product of its (nonzero) digits is 346816512, while the sum is 72.

The spelling of 74670289221888 in words is "seventy-four trillion, six hundred seventy billion, two hundred eighty-nine million, two hundred twenty-one thousand, eight hundred eighty-eight".