42693085 has 4 divisors (see below), whose sum is σ = 51231708. Its totient is φ = 34154464.

The previous prime is 42693073. The next prime is 42693121. The reversal of 42693085 is 58039624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16088121 + 26604964 = 4011^2 + 5158^2 .

It is a cyclic number.

It is not a de Polignac number, because 42693085 - 2⁷ = 42692957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4269304 + ... + 4269313.

It is an arithmetic number, because the mean of its divisors is an integer number (12807927).

Almost surely, 2^42693085 is an apocalyptic number.

It is an amenable number.

42693085 is a deficient number, since it is larger than the sum of its proper divisors (8538623).

42693085 is an equidigital number, since it uses as much as digits as its factorization.

42693085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538622.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 42693085 is about 6533.9945668787. The cubic root of 42693085 is about 349.5042914517.

The spelling of 42693085 in words is "forty-two million, six hundred ninety-three thousand, eighty-five".