69465665 has 4 divisors (see below), whose sum is σ = 83358804. Its totient is φ = 55572528.

The previous prime is 69465659. The next prime is 69465703. The reversal of 69465665 is 56656496.

It is a happy number.

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 27888961 + 41576704 = 5281^2 + 6448^2 .

It is a cyclic number.

It is not a de Polignac number, because 69465665 - 2⁶ = 69465601 is a prime.

It is a super-2 number, since 2×69465665² = 9650957227784450, which contains 22 as substring.

It is a Duffinian 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, 6946562 + ... + 6946571.

It is an arithmetic number, because the mean of its divisors is an integer number (20839701).

Almost surely, 2^69465665 is an apocalyptic number.

It is an amenable number.

69465665 is a deficient number, since it is larger than the sum of its proper divisors (13893139).

69465665 is a wasteful number, since it uses less digits than its factorization.

69465665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13893138.

The product of its digits is 1166400, while the sum is 47.

The square root of 69465665 is about 8334.6064694141. The cubic root of 69465665 is about 411.0772089702.

The spelling of 69465665 in words is "sixty-nine million, four hundred sixty-five thousand, six hundred sixty-five".