42370297 has 2 divisors, whose sum is σ = 42370298. Its totient is φ = 42370296.

The previous prime is 42370271. The next prime is 42370327. The reversal of 42370297 is 79207324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34857216 + 7513081 = 5904^2 + 2741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42370297 is a prime.

It is not a weakly prime, because it can be changed into another prime (42370597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21185148 + 21185149.

It is an arithmetic number, because the mean of its divisors is an integer number (21185149).

Almost surely, 2^42370297 is an apocalyptic number.

It is an amenable number.

42370297 is a deficient number, since it is larger than the sum of its proper divisors (1).

42370297 is an equidigital number, since it uses as much as digits as its factorization.

42370297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 42370297 is about 6509.2470378685. The cubic root of 42370297 is about 348.6212342210.

The spelling of 42370297 in words is "forty-two million, three hundred seventy thousand, two hundred ninety-seven".