69620965 has 4 divisors (see below), whose sum is σ = 83545164. Its totient is φ = 55696768.

The previous prime is 69620953. The next prime is 69620987. The reversal of 69620965 is 56902696.

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 30107169 + 39513796 = 5487^2 + 6286^2 .

It is a cyclic number.

It is not a de Polignac number, because 69620965 - 2¹¹ = 69618917 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, 6962092 + ... + 6962101.

It is an arithmetic number, because the mean of its divisors is an integer number (20886291).

Almost surely, 2^69620965 is an apocalyptic number.

It is an amenable number.

69620965 is a deficient number, since it is larger than the sum of its proper divisors (13924199).

69620965 is a wasteful number, since it uses less digits than its factorization.

69620965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13924198.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 69620965 is about 8343.9178447537. The cubic root of 69620965 is about 411.3833207497.

The spelling of 69620965 in words is "sixty-nine million, six hundred twenty thousand, nine hundred sixty-five".