42342499 has 8 divisors (see below), whose sum is σ = 42997760. Its totient is φ = 41690376.

The previous prime is 42342493. The next prime is 42342511. The reversal of 42342499 is 99424324.

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

It is a cyclic number.

It is not a de Polignac number, because 42342499 - 2³ = 42342491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42342491) 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, 47512 + ... + 48394.

It is an arithmetic number, because the mean of its divisors is an integer number (5374720).

Almost surely, 2^42342499 is an apocalyptic number.

42342499 is a deficient number, since it is larger than the sum of its proper divisors (655261).

42342499 is an equidigital number, since it uses as much as digits as its factorization.

42342499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569.

The product of its digits is 62208, while the sum is 37.

The square root of 42342499 is about 6507.1114175185. Note that the first 3 decimals coincide. The cubic root of 42342499 is about 348.5449772370.

The spelling of 42342499 in words is "forty-two million, three hundred forty-two thousand, four hundred ninety-nine".