42970506 has 8 divisors (see below), whose sum is σ = 85941024. Its totient is φ = 14323500.

The previous prime is 42970493. The next prime is 42970507. The reversal of 42970506 is 60507924.

It is a sphenic number, since it is the product of 3 distinct primes.

42970506 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42970507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580870 + ... + 3580881.

It is an arithmetic number, because the mean of its divisors is an integer number (10742628).

Almost surely, 2^42970506 is an apocalyptic number.

42970506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42970506 is a wasteful number, since it uses less digits than its factorization.

42970506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161756.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 42970506 is about 6555.1892421196. The cubic root of 42970506 is about 350.2596875455.

The spelling of 42970506 in words is "forty-two million, nine hundred seventy thousand, five hundred six".