42994192 has 20 divisors (see below), whose sum is σ = 84476736. Its totient is φ = 21193760.

The previous prime is 42994181. The next prime is 42994201. The reversal of 42994192 is 29149924.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17788 + ... + 20059.

Almost surely, 2^42994192 is an apocalyptic number.

It is an amenable number.

42994192 is a deficient number, since it is larger than the sum of its proper divisors (41482544).

42994192 is a wasteful number, since it uses less digits than its factorization.

42994192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37926 (or 37920 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 42994192 is about 6556.9956534986. The cubic root of 42994192 is about 350.3240318897.

The spelling of 42994192 in words is "forty-two million, nine hundred ninety-four thousand, one hundred ninety-two".