42970233 has 16 divisors (see below), whose sum is σ = 60549120. Its totient is φ = 27051024.

The previous prime is 42970219. The next prime is 42970241. The reversal of 42970233 is 33207924.

It is not a de Polignac number, because 42970233 - 2⁴ = 42970217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42970233.

It is not an unprimeable number, because it can be changed into a prime (42970243) 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, 1510 + ... + 9392.

It is an arithmetic number, because the mean of its divisors is an integer number (3784320).

Almost surely, 2^42970233 is an apocalyptic number.

It is an amenable number.

42970233 is a deficient number, since it is larger than the sum of its proper divisors (17578887).

42970233 is a wasteful number, since it uses less digits than its factorization.

42970233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 42970233 is about 6555.1684188890. The cubic root of 42970233 is about 350.2589457879.

The spelling of 42970233 in words is "forty-two million, nine hundred seventy thousand, two hundred thirty-three".