42537442 has 8 divisors (see below), whose sum is σ = 66580416. Its totient is φ = 20343972.

The previous prime is 42537433. The next prime is 42537479. The reversal of 42537442 is 24473524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462318 + ... + 462409.

It is an arithmetic number, because the mean of its divisors is an integer number (8322552).

Almost surely, 2^42537442 is an apocalyptic number.

42537442 is a deficient number, since it is larger than the sum of its proper divisors (24042974).

42537442 is a wasteful number, since it uses less digits than its factorization.

42537442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924752.

The product of its digits is 26880, while the sum is 31.

The square root of 42537442 is about 6522.0734433154. The cubic root of 42537442 is about 349.0790536922.

The spelling of 42537442 in words is "forty-two million, five hundred thirty-seven thousand, four hundred forty-two".