42625490 has 8 divisors (see below), whose sum is σ = 76725900. Its totient is φ = 17050192.

The previous prime is 42625487. The next prime is 42625523. The reversal of 42625490 is 9452624.

It can be written as a sum of positive squares in 2 ways, for example, as 39677401 + 2948089 = 6299^2 + 1717^2 .

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

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, 2131265 + ... + 2131284.

Almost surely, 2^42625490 is an apocalyptic number.

42625490 is a deficient number, since it is larger than the sum of its proper divisors (34100410).

42625490 is a wasteful number, since it uses less digits than its factorization.

42625490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262556.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 42625490 is about 6528.8199546319. The cubic root of 42625490 is about 349.3197399275.

The spelling of 42625490 in words is "forty-two million, six hundred twenty-five thousand, four hundred ninety".