42513790 has 16 divisors (see below), whose sum is σ = 83481840. Its totient is φ = 15459520.

The previous prime is 42513781. The next prime is 42513817. The reversal of 42513790 is 9731524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193135 + ... + 193354.

It is an arithmetic number, because the mean of its divisors is an integer number (5217615).

Almost surely, 2^42513790 is an apocalyptic number.

42513790 is a deficient number, since it is larger than the sum of its proper divisors (40968050).

42513790 is a wasteful number, since it uses less digits than its factorization.

42513790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386507.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 42513790 is about 6520.2599641425. The cubic root of 42513790 is about 349.0143424784.

The spelling of 42513790 in words is "forty-two million, five hundred thirteen thousand, seven hundred ninety".