75342224 has 10 divisors (see below), whose sum is σ = 145975590. Its totient is φ = 37671104.

The previous prime is 75342199. The next prime is 75342247. The reversal of 75342224 is 42224357.

It can be written as a sum of positive squares in only one way, i.e., 71098624 + 4243600 = 8432^2 + 2060^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2354429 + ... + 2354460.

It is an arithmetic number, because the mean of its divisors is an integer number (14597559).

Almost surely, 2^75342224 is an apocalyptic number.

It is an amenable number.

75342224 is a deficient number, since it is larger than the sum of its proper divisors (70633366).

75342224 is a wasteful number, since it uses less digits than its factorization.

75342224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708897 (or 4708891 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 75342224 is about 8679.9898617452. The cubic root of 75342224 is about 422.3567881741.

The spelling of 75342224 in words is "seventy-five million, three hundred forty-two thousand, two hundred twenty-four".