42297075 has 18 divisors (see below), whose sum is σ = 75759164. Its totient is φ = 22558320.

The previous prime is 42297067. The next prime is 42297089. The reversal of 42297075 is 57079224.

It is not a de Polignac number, because 42297075 - 2³ = 42297067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 93769 + ... + 94218.

Almost surely, 2^42297075 is an apocalyptic number.

42297075 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42297075 is a deficient number, since it is larger than the sum of its proper divisors (33462089).

42297075 is a wasteful number, since it uses less digits than its factorization.

42297075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188003 (or 187995 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 42297075 is about 6503.6201457342. The cubic root of 42297075 is about 348.4202957917.

The spelling of 42297075 in words is "forty-two million, two hundred ninety-seven thousand, seventy-five".