69680213 has 8 divisors (see below), whose sum is σ = 72915768. Its totient is φ = 66515904.

The previous prime is 69680209. The next prime is 69680227. The reversal of 69680213 is 31208696.

It can be written as a sum of positive squares in 4 ways, for example, as 13235044 + 56445169 = 3638^2 + 7513^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 69680213 - 2² = 69680209 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 (69680813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15806 + ... + 19727.

It is an arithmetic number, because the mean of its divisors is an integer number (9114471).

Almost surely, 2^69680213 is an apocalyptic number.

It is an amenable number.

69680213 is a deficient number, since it is larger than the sum of its proper divisors (3235555).

69680213 is a wasteful number, since it uses less digits than its factorization.

69680213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35623.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 69680213 is about 8347.4674602540. The cubic root of 69680213 is about 411.4999844979.

The spelling of 69680213 in words is "sixty-nine million, six hundred eighty thousand, two hundred thirteen".