42817794 has 16 divisors (see below), whose sum is σ = 85713600. Its totient is φ = 14259600.

The previous prime is 42817787. The next prime is 42817823. The reversal of 42817794 is 49771824.

It is a happy 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, 5844 + ... + 10944.

It is an arithmetic number, because the mean of its divisors is an integer number (5357100).

Almost surely, 2^42817794 is an apocalyptic number.

42817794 is an abundant number, since it is smaller than the sum of its proper divisors (42895806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42817794 is a wasteful number, since it uses less digits than its factorization.

42817794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505.

The product of its digits is 112896, while the sum is 42.

The square root of 42817794 is about 6543.5306983310. The cubic root of 42817794 is about 349.8442681326.

The spelling of 42817794 in words is "forty-two million, eight hundred seventeen thousand, seven hundred ninety-four".