42438374 has 16 divisors (see below), whose sum is σ = 69866496. Its totient is φ = 19173000.

The previous prime is 42438359. The next prime is 42438379. The reversal of 42438374 is 47383424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42438379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102 + ... + 9449.

It is an arithmetic number, because the mean of its divisors is an integer number (4366656).

Almost surely, 2^42438374 is an apocalyptic number.

42438374 is a deficient number, since it is larger than the sum of its proper divisors (27428122).

42438374 is a wasteful number, since it uses less digits than its factorization.

42438374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11731.

The product of its digits is 64512, while the sum is 35.

The square root of 42438374 is about 6514.4741921355. The cubic root of 42438374 is about 348.8078459907.

The spelling of 42438374 in words is "forty-two million, four hundred thirty-eight thousand, three hundred seventy-four".