42093790 has 32 divisors (see below), whose sum is σ = 80520480. Its totient is φ = 15813504.

The previous prime is 42093781. The next prime is 42093809. The reversal of 42093790 is 9739024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8769 + ... + 12691.

It is an arithmetic number, because the mean of its divisors is an integer number (2516265).

Almost surely, 2^42093790 is an apocalyptic number.

42093790 is a deficient number, since it is larger than the sum of its proper divisors (38426690).

42093790 is a wasteful number, since it uses less digits than its factorization.

42093790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 42093790 is about 6487.9727188082. The cubic root of 42093790 is about 347.8612154127.

The spelling of 42093790 in words is "forty-two million, ninety-three thousand, seven hundred ninety".