42537278 has 16 divisors (see below), whose sum is σ = 73112544. Its totient is φ = 18182400.

The previous prime is 42537263. The next prime is 42537311. The reversal of 42537278 is 87273524.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826 + ... + 9402.

It is an arithmetic number, because the mean of its divisors is an integer number (4569534).

Almost surely, 2^42537278 is an apocalyptic number.

42537278 is a deficient number, since it is larger than the sum of its proper divisors (30575266).

42537278 is a wasteful number, since it uses less digits than its factorization.

42537278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7987.

The product of its digits is 94080, while the sum is 38.

The square root of 42537278 is about 6522.0608706144. The cubic root of 42537278 is about 349.0786050754.

The spelling of 42537278 in words is "forty-two million, five hundred thirty-seven thousand, two hundred seventy-eight".