42674538 has 16 divisors (see below), whose sum is σ = 88102656. Its totient is φ = 13765920.

The previous prime is 42674537. The next prime is 42674581. The reversal of 42674538 is 83547624.

It is a happy number.

It is a super-2 number, since 2×42674538² = 3642232387026888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42674496 and 42674505.

It is not an unprimeable number, because it can be changed into a prime (42674531) 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, 114531 + ... + 114902.

It is an arithmetic number, because the mean of its divisors is an integer number (5506416).

Almost surely, 2^42674538 is an apocalyptic number.

42674538 is an abundant number, since it is smaller than the sum of its proper divisors (45428118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42674538 is a wasteful number, since it uses less digits than its factorization.

42674538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229469.

The product of its digits is 161280, while the sum is 39.

The square root of 42674538 is about 6532.5751430810. The cubic root of 42674538 is about 349.4536728327.

The spelling of 42674538 in words is "forty-two million, six hundred seventy-four thousand, five hundred thirty-eight".