75257242 has 16 divisors (see below), whose sum is σ = 118248192. Its totient is φ = 35853840.

The previous prime is 75257239. The next prime is 75257261. The reversal of 75257242 is 24275257.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75257198 and 75257207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9448 + ... + 15484.

It is an arithmetic number, because the mean of its divisors is an integer number (7390512).

Almost surely, 2^75257242 is an apocalyptic number.

75257242 is a deficient number, since it is larger than the sum of its proper divisors (42990950).

75257242 is a wasteful number, since it uses less digits than its factorization.

75257242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333.

The product of its digits is 39200, while the sum is 34.

The square root of 75257242 is about 8675.0931983466. The cubic root of 75257242 is about 422.1979298068.

The spelling of 75257242 in words is "seventy-five million, two hundred fifty-seven thousand, two hundred forty-two".