42374042 has 4 divisors (see below), whose sum is σ = 63561066. Its totient is φ = 21187020.

The previous prime is 42374041. The next prime is 42374051. The reversal of 42374042 is 24047324.

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

It can be written as a sum of positive squares in only one way, i.e., 41615401 + 758641 = 6451^2 + 871^2 .

It is not an unprimeable number, because it can be changed into a prime (42374041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10593509 + ... + 10593512.

Almost surely, 2^42374042 is an apocalyptic number.

42374042 is a deficient number, since it is larger than the sum of its proper divisors (21187024).

42374042 is a wasteful number, since it uses less digits than its factorization.

42374042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21187023.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 42374042 is about 6509.5346991932. The cubic root of 42374042 is about 348.6315051588.

The spelling of 42374042 in words is "forty-two million, three hundred seventy-four thousand, forty-two".