42941994 has 8 divisors (see below), whose sum is σ = 85884000. Its totient is φ = 14313996.

The previous prime is 42941981. The next prime is 42941999. The reversal of 42941994 is 49914924.

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

42941994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42941999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578494 + ... + 3578505.

It is an arithmetic number, because the mean of its divisors is an integer number (10735500).

Almost surely, 2^42941994 is an apocalyptic number.

42941994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42941994 is a wasteful number, since it uses less digits than its factorization.

42941994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157004.

The product of its digits is 93312, while the sum is 42.

The square root of 42941994 is about 6553.0141156570. The cubic root of 42941994 is about 350.1822017323.

The spelling of 42941994 in words is "forty-two million, nine hundred forty-one thousand, nine hundred ninety-four".