42497204 has 12 divisors (see below), whose sum is σ = 74503044. Its totient is φ = 21210624.

The previous prime is 42497179. The next prime is 42497207. The reversal of 42497204 is 40279424.

It can be written as a sum of positive squares in 2 ways, for example, as 30580900 + 11916304 = 5530^2 + 3452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42497207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6899 + ... + 11514.

It is an arithmetic number, because the mean of its divisors is an integer number (6208587).

Almost surely, 2^42497204 is an apocalyptic number.

It is an amenable number.

42497204 is a deficient number, since it is larger than the sum of its proper divisors (32005840).

42497204 is a wasteful number, since it uses less digits than its factorization.

42497204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18994 (or 18992 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 42497204 is about 6518.9879582647. The cubic root of 42497204 is about 348.9689493260.

The spelling of 42497204 in words is "forty-two million, four hundred ninety-seven thousand, two hundred four".