69920317 has 8 divisors (see below), whose sum is σ = 70670880. Its totient is φ = 69174000.

The previous prime is 69920309. The next prime is 69920321. The reversal of 69920317 is 71302996.

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 69920317 - 2³ = 69920309 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 (69920377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40059 + ... + 41767.

It is an arithmetic number, because the mean of its divisors is an integer number (8833860).

Almost surely, 2^69920317 is an apocalyptic number.

It is an amenable number.

69920317 is a deficient number, since it is larger than the sum of its proper divisors (750563).

69920317 is a wasteful number, since it uses less digits than its factorization.

69920317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 69920317 is about 8361.8369393334. The cubic root of 69920317 is about 411.9720913794.

The spelling of 69920317 in words is "sixty-nine million, nine hundred twenty thousand, three hundred seventeen".