42558374 has 4 divisors (see below), whose sum is σ = 63837564. Its totient is φ = 21279186.

The previous prime is 42558371. The next prime is 42558377. The reversal of 42558374 is 47385524.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (42558371) and next prime (42558377).

It is a super-2 number, since 2×42558374² = 3622430395047752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42558371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10639592 + ... + 10639595.

It is an arithmetic number, because the mean of its divisors is an integer number (15959391).

Almost surely, 2^42558374 is an apocalyptic number.

42558374 is a deficient number, since it is larger than the sum of its proper divisors (21279190).

42558374 is a wasteful number, since it uses less digits than its factorization.

42558374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21279189.

The product of its digits is 134400, while the sum is 38.

The square root of 42558374 is about 6523.6779503590. The cubic root of 42558374 is about 349.1363030565.

The spelling of 42558374 in words is "forty-two million, five hundred fifty-eight thousand, three hundred seventy-four".