42340897 has 8 divisors (see below), whose sum is σ = 44918496. Its totient is φ = 39772992.

The previous prime is 42340891. The next prime is 42340933. The reversal of 42340897 is 79804324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42340897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42340891) 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, 7858 + ... + 12100.

It is an arithmetic number, because the mean of its divisors is an integer number (5614812).

Almost surely, 2^42340897 is an apocalyptic number.

It is an amenable number.

42340897 is a deficient number, since it is larger than the sum of its proper divisors (2577599).

42340897 is a wasteful number, since it uses less digits than its factorization.

42340897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 42340897 is about 6506.9883202600. The cubic root of 42340897 is about 348.5405815266.

The spelling of 42340897 in words is "forty-two million, three hundred forty thousand, eight hundred ninety-seven".