42970065 has 8 divisors (see below), whose sum is σ = 68752128. Its totient is φ = 22917360.

The previous prime is 42970021. The next prime is 42970087. The reversal of 42970065 is 56007924.

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

It is not a de Polignac number, because 42970065 - 2¹¹ = 42968017 is a prime.

It is a super-2 number, since 2×42970065² = 3692852972208450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432321 + ... + 1432350.

It is an arithmetic number, because the mean of its divisors is an integer number (8594016).

Almost surely, 2^42970065 is an apocalyptic number.

It is an amenable number.

42970065 is a deficient number, since it is larger than the sum of its proper divisors (25782063).

42970065 is a wasteful number, since it uses less digits than its factorization.

42970065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864679.

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

The square root of 42970065 is about 6555.1556045604. The cubic root of 42970065 is about 350.2584893202.

Adding to 42970065 its reverse (56007924), we get a palindrome (98977989).

The spelling of 42970065 in words is "forty-two million, nine hundred seventy thousand, sixty-five".