42695397 has 8 divisors (see below), whose sum is σ = 63252480. Its totient is φ = 28463580.

The previous prime is 42695377. The next prime is 42695399. The reversal of 42695397 is 79359624.

It is a happy number.

It is not a de Polignac number, because 42695397 - 2⁷ = 42695269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42695399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790629 + ... + 790682.

It is an arithmetic number, because the mean of its divisors is an integer number (7906560).

Almost surely, 2^42695397 is an apocalyptic number.

It is an amenable number.

42695397 is a deficient number, since it is larger than the sum of its proper divisors (20557083).

42695397 is a wasteful number, since it uses less digits than its factorization.

42695397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581320 (or 1581314 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 42695397 is about 6534.1714853530. The cubic root of 42695397 is about 349.5106003527.

The spelling of 42695397 in words is "forty-two million, six hundred ninety-five thousand, three hundred ninety-seven".