42797764 has 9 divisors (see below), whose sum is σ = 74918991. Its totient is φ = 21392340.

The previous prime is 42797761. The next prime is 42797773. The reversal of 42797764 is 46779724.

The square root of 42797764 is 6542.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42797761) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11449 + ... + 14719.

Almost surely, 2^42797764 is an apocalyptic number.

42797764 is the 6542-nd square number.

It is an amenable number.

42797764 is a deficient number, since it is larger than the sum of its proper divisors (32121227).

42797764 is an frugal number, since it uses more digits than its factorization.

42797764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546 (or 3273 counting only the distinct ones).

The product of its digits is 592704, while the sum is 46.

The cubic root of 42797764 is about 349.7897076879.

The spelling of 42797764 in words is "forty-two million, seven hundred ninety-seven thousand, seven hundred sixty-four".