42297130 has 8 divisors (see below), whose sum is σ = 76134852. Its totient is φ = 16918848.

The previous prime is 42297121. The next prime is 42297131. The reversal of 42297130 is 3179224.

It can be written as a sum of positive squares in 2 ways, for example, as 36397089 + 5900041 = 6033^2 + 2429^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42297131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114847 + ... + 2114866.

Almost surely, 2^42297130 is an apocalyptic number.

42297130 is a deficient number, since it is larger than the sum of its proper divisors (33837722).

42297130 is a wasteful number, since it uses less digits than its factorization.

42297130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229720.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 42297130 is about 6503.6243741471. The cubic root of 42297130 is about 348.4204468116.

The spelling of 42297130 in words is "forty-two million, two hundred ninety-seven thousand, one hundred thirty".