42079942 has 4 divisors (see below), whose sum is σ = 63119916. Its totient is φ = 21039970.

The previous prime is 42079937. The next prime is 42079963. The reversal of 42079942 is 24997024.

42079942 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10519984 + ... + 10519987.

It is an arithmetic number, because the mean of its divisors is an integer number (15779979).

Almost surely, 2^42079942 is an apocalyptic number.

42079942 is a deficient number, since it is larger than the sum of its proper divisors (21039974).

42079942 is a wasteful number, since it uses less digits than its factorization.

42079942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21039973.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 42079942 is about 6486.9054255477. The cubic root of 42079942 is about 347.8230648093.

The spelling of 42079942 in words is "forty-two million, seventy-nine thousand, nine hundred forty-two".