42970375 has 16 divisors (see below), whose sum is σ = 61289280. Its totient is φ = 29464800.

The previous prime is 42970351. The next prime is 42970379. The reversal of 42970375 is 57307924.

It is a de Polignac number, because none of the positive numbers 2^k-42970375 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42970379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23680 + ... + 25429.

It is an arithmetic number, because the mean of its divisors is an integer number (3830580).

Almost surely, 2^42970375 is an apocalyptic number.

42970375 is a deficient number, since it is larger than the sum of its proper divisors (18318905).

42970375 is an equidigital number, since it uses as much as digits as its factorization.

42970375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49131 (or 49121 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 42970375 is about 6555.1792500282. The cubic root of 42970375 is about 350.2593316110.

The spelling of 42970375 in words is "forty-two million, nine hundred seventy thousand, three hundred seventy-five".