42790893 has 8 divisors (see below), whose sum is σ = 57578400. Its totient is φ = 28265328.

The previous prime is 42790883. The next prime is 42790901. The reversal of 42790893 is 39809724.

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

It is not a de Polignac number, because 42790893 - 2¹⁰ = 42789869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42790843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65103 + ... + 65756.

It is an arithmetic number, because the mean of its divisors is an integer number (7197300).

Almost surely, 2^42790893 is an apocalyptic number.

It is an amenable number.

42790893 is a deficient number, since it is larger than the sum of its proper divisors (14787507).

42790893 is a wasteful number, since it uses less digits than its factorization.

42790893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130971.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 42790893 is about 6541.4748337053. The cubic root of 42790893 is about 349.7709876000.

The spelling of 42790893 in words is "forty-two million, seven hundred ninety thousand, eight hundred ninety-three".