42657626 has 8 divisors (see below), whose sum is σ = 69803424. Its totient is φ = 19389820.

The previous prime is 42657599. The next prime is 42657647. The reversal of 42657626 is 62675624.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42657626.

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, 969470 + ... + 969513.

It is an arithmetic number, because the mean of its divisors is an integer number (8725428).

Almost surely, 2^42657626 is an apocalyptic number.

42657626 is a deficient number, since it is larger than the sum of its proper divisors (27145798).

42657626 is a wasteful number, since it uses less digits than its factorization.

42657626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938996.

The product of its digits is 120960, while the sum is 38.

The square root of 42657626 is about 6531.2805788758. The cubic root of 42657626 is about 349.4075036830.

The spelling of 42657626 in words is "forty-two million, six hundred fifty-seven thousand, six hundred twenty-six".