42594697 has 6 divisors (see below), whose sum is σ = 43191582. Its totient is φ = 42005952.

The previous prime is 42594679. The next prime is 42594703. The reversal of 42594697 is 79649524.

It can be written as a sum of positive squares in 3 ways, for example, as 2005056 + 40589641 = 1416^2 + 6371^2 .

It is not a de Polignac number, because 42594697 - 2⁷ = 42594569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42594677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1333 + ... + 9325.

It is an arithmetic number, because the mean of its divisors is an integer number (7198597).

Almost surely, 2^42594697 is an apocalyptic number.

42594697 is the 5329-th pentagonal number.

It is an amenable number.

42594697 is a deficient number, since it is larger than the sum of its proper divisors (596885).

42594697 is an frugal number, since it uses more digits than its factorization.

42594697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8139 (or 8066 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 42594697 is about 6526.4612923084. The cubic root of 42594697 is about 349.2356025251.

The spelling of 42594697 in words is "forty-two million, five hundred ninety-four thousand, six hundred ninety-seven".