42292705 has 16 divisors (see below), whose sum is σ = 62463744. Its totient is φ = 26769600.

The previous prime is 42292697. The next prime is 42292717. The reversal of 42292705 is 50729224.

It is not a de Polignac number, because 42292705 - 2³ = 42292697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46021 + ... + 46930.

It is an arithmetic number, because the mean of its divisors is an integer number (3903984).

Almost surely, 2^42292705 is an apocalyptic number.

It is an amenable number.

42292705 is a deficient number, since it is larger than the sum of its proper divisors (20171039).

42292705 is a wasteful number, since it uses less digits than its factorization.

42292705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92976.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 42292705 is about 6503.2841703250. The cubic root of 42292705 is about 348.4082961508.

The spelling of 42292705 in words is "forty-two million, two hundred ninety-two thousand, seven hundred five".