42975215 has 8 divisors (see below), whose sum is σ = 51859440. Its totient is φ = 34187392.

The previous prime is 42975211. The next prime is 42975221. The reversal of 42975215 is 51257924.

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 42975215 - 2² = 42975211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42975211) 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, 23114 + ... + 24903.

It is an arithmetic number, because the mean of its divisors is an integer number (6482430).

Almost surely, 2^42975215 is an apocalyptic number.

42975215 is a deficient number, since it is larger than the sum of its proper divisors (8884225).

42975215 is a wasteful number, since it uses less digits than its factorization.

42975215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48201.

The product of its digits is 25200, while the sum is 35.

The square root of 42975215 is about 6555.5484133671. The cubic root of 42975215 is about 350.2724816903.

The spelling of 42975215 in words is "forty-two million, nine hundred seventy-five thousand, two hundred fifteen".