42620894 has 16 divisors (see below), whose sum is σ = 67752720. Its totient is φ = 20072640.

The previous prime is 42620891. The next prime is 42620899. The reversal of 42620894 is 49802624.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42620891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6584 + ... + 11339.

It is an arithmetic number, because the mean of its divisors is an integer number (4234545).

Almost surely, 2^42620894 is an apocalyptic number.

42620894 is a deficient number, since it is larger than the sum of its proper divisors (25131826).

42620894 is a wasteful number, since it uses less digits than its factorization.

42620894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17995.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 42620894 is about 6528.4679672952. The cubic root of 42620894 is about 349.3071845978.

The spelling of 42620894 in words is "forty-two million, six hundred twenty thousand, eight hundred ninety-four".