42940814 has 16 divisors (see below), whose sum is σ = 73699296. Its totient is φ = 18381600.

The previous prime is 42940721. The next prime is 42940823. The reversal of 42940814 is 41804924.

It is a Curzon number.

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, 18224 + ... + 20444.

It is an arithmetic number, because the mean of its divisors is an integer number (4606206).

Almost surely, 2^42940814 is an apocalyptic number.

42940814 is a deficient number, since it is larger than the sum of its proper divisors (30758482).

42940814 is a wasteful number, since it uses less digits than its factorization.

42940814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 42940814 is about 6552.9240801340. The cubic root of 42940814 is about 350.1789941589.

The spelling of 42940814 in words is "forty-two million, nine hundred forty thousand, eight hundred fourteen".