42917798 has 16 divisors (see below), whose sum is σ = 80262144. Its totient is φ = 16721160.

The previous prime is 42917783. The next prime is 42917801. The reversal of 42917798 is 89771924.

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, 139190 + ... + 139497.

It is an arithmetic number, because the mean of its divisors is an integer number (5016384).

Almost surely, 2^42917798 is an apocalyptic number.

42917798 is a deficient number, since it is larger than the sum of its proper divisors (37344346).

42917798 is a wasteful number, since it uses less digits than its factorization.

42917798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278707.

The product of its digits is 254016, while the sum is 47.

The square root of 42917798 is about 6551.1676821770. The cubic root of 42917798 is about 350.1164184150.

The spelling of 42917798 in words is "forty-two million, nine hundred seventeen thousand, seven hundred ninety-eight".