42907478 has 16 divisors (see below), whose sum is σ = 65173680. Its totient is φ = 21184800.

The previous prime is 42907433. The next prime is 42907511. The reversal of 42907478 is 87470924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101708 + ... + 102128.

It is an arithmetic number, because the mean of its divisors is an integer number (4073355).

Almost surely, 2^42907478 is an apocalyptic number.

42907478 is a deficient number, since it is larger than the sum of its proper divisors (22266202).

42907478 is a wasteful number, since it uses less digits than its factorization.

42907478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 42907478 is about 6550.3799889777. The cubic root of 42907478 is about 350.0883532046.

The spelling of 42907478 in words is "forty-two million, nine hundred seven thousand, four hundred seventy-eight".