74542522 has 8 divisors (see below), whose sum is σ = 112630356. Its totient is φ = 36999072.

The previous prime is 74542519. The next prime is 74542553. The reversal of 74542522 is 22524547.

It can be written as a sum of positive squares in 2 ways, for example, as 72437121 + 2105401 = 8511^2 + 1451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×74542522² = 11113175172240968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135753 + ... + 136300.

Almost surely, 2^74542522 is an apocalyptic number.

74542522 is a deficient number, since it is larger than the sum of its proper divisors (38087834).

74542522 is a wasteful number, since it uses less digits than its factorization.

74542522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272192.

The product of its digits is 22400, while the sum is 31.

The square root of 74542522 is about 8633.8011327572. The cubic root of 74542522 is about 420.8571346819.

The spelling of 74542522 in words is "seventy-four million, five hundred forty-two thousand, five hundred twenty-two".