74568470175442 has 4 divisors (see below), whose sum is σ = 111852705263166. Its totient is φ = 37284235087720.

The previous prime is 74568470175391. The next prime is 74568470175491. The reversal of 74568470175442 is 24457107486547.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72077909596641 + 2490560578801 = 8489871^2 + 1578151^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18642117543859 + ... + 18642117543862.

Almost surely, 2^{74568470175442} is an apocalyptic number.

74568470175442 is a deficient number, since it is larger than the sum of its proper divisors (37284235087724).

74568470175442 is a wasteful number, since it uses less digits than its factorization.

74568470175442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37284235087723.

The product of its (nonzero) digits is 210739200, while the sum is 64.

The spelling of 74568470175442 in words is "seventy-four trillion, five hundred sixty-eight billion, four hundred seventy million, one hundred seventy-five thousand, four hundred forty-two".