42495479 has 8 divisors (see below), whose sum is σ = 45827040. Its totient is φ = 39172896.

The previous prime is 42495449. The next prime is 42495491. The reversal of 42495479 is 97459424.

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-42495479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42495449) 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, 10169 + ... + 13725.

It is an arithmetic number, because the mean of its divisors is an integer number (5728380).

Almost surely, 2^42495479 is an apocalyptic number.

42495479 is a deficient number, since it is larger than the sum of its proper divisors (3331561).

42495479 is a wasteful number, since it uses less digits than its factorization.

42495479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489.

The product of its digits is 362880, while the sum is 44.

The square root of 42495479 is about 6518.8556511093. The cubic root of 42495479 is about 348.9642276069.

The spelling of 42495479 in words is "forty-two million, four hundred ninety-five thousand, four hundred seventy-nine".