42457295 has 8 divisors (see below), whose sum is σ = 50995824. Its totient is φ = 33934464.

The previous prime is 42457277. The next prime is 42457301. The reversal of 42457295 is 59275424.

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 42457295 - 2¹⁶ = 42391759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3212 + ... + 9758.

It is an arithmetic number, because the mean of its divisors is an integer number (6374478).

Almost surely, 2^42457295 is an apocalyptic number.

42457295 is a deficient number, since it is larger than the sum of its proper divisors (8538529).

42457295 is a wasteful number, since it uses less digits than its factorization.

42457295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7849.

The product of its digits is 100800, while the sum is 38.

The square root of 42457295 is about 6515.9262580235. The cubic root of 42457295 is about 348.8596765397.

The spelling of 42457295 in words is "forty-two million, four hundred fifty-seven thousand, two hundred ninety-five".