69307085 has 4 divisors (see below), whose sum is σ = 83168508. Its totient is φ = 55445664.

The previous prime is 69307061. The next prime is 69307127. The reversal of 69307085 is 58070396.

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 14945956 + 54361129 = 3866^2 + 7373^2 .

It is a cyclic number.

It is not a de Polignac number, because 69307085 - 2⁸ = 69306829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6930704 + ... + 6930713.

It is an arithmetic number, because the mean of its divisors is an integer number (20792127).

Almost surely, 2^69307085 is an apocalyptic number.

It is an amenable number.

69307085 is a deficient number, since it is larger than the sum of its proper divisors (13861423).

69307085 is a wasteful number, since it uses less digits than its factorization.

69307085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861422.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 69307085 is about 8325.0876872259. The cubic root of 69307085 is about 410.7641608277.

The spelling of 69307085 in words is "sixty-nine million, three hundred seven thousand, eighty-five".