42966997 has 8 divisors (see below), whose sum is σ = 44274200. Its totient is φ = 41679360.

The previous prime is 42966907. The next prime is 42967003. The reversal of 42966997 is 79966924.

It can be written as a sum of positive squares in 4 ways, for example, as 443556 + 42523441 = 666^2 + 6521^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42966997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42966907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372 + ... + 9277.

It is an arithmetic number, because the mean of its divisors is an integer number (5534275).

Almost surely, 2^42966997 is an apocalyptic number.

It is an amenable number.

42966997 is a deficient number, since it is larger than the sum of its proper divisors (1307203).

42966997 is an equidigital number, since it uses as much as digits as its factorization.

42966997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783.

The product of its digits is 1469664, while the sum is 52.

The square root of 42966997 is about 6554.9215861061. The cubic root of 42966997 is about 350.2501531399.

The spelling of 42966997 in words is "forty-two million, nine hundred sixty-six thousand, nine hundred ninety-seven".