42275972 has 6 divisors (see below), whose sum is σ = 73982958. Its totient is φ = 21137984.

The previous prime is 42275929. The next prime is 42276011. The reversal of 42275972 is 27957224.

It can be written as a sum of positive squares in only one way, i.e., 41165056 + 1110916 = 6416^2 + 1054^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5284493 + ... + 5284500.

It is an arithmetic number, because the mean of its divisors is an integer number (12330493).

Almost surely, 2^42275972 is an apocalyptic number.

It is an amenable number.

42275972 is a deficient number, since it is larger than the sum of its proper divisors (31706986).

42275972 is a wasteful number, since it uses less digits than its factorization.

42275972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10568997 (or 10568995 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 42275972 is about 6501.9975392182. The cubic root of 42275972 is about 348.3623411407.

The spelling of 42275972 in words is "forty-two million, two hundred seventy-five thousand, nine hundred seventy-two".