69649317 has 6 divisors (see below), whose sum is σ = 100604582. Its totient is φ = 46432872.

The previous prime is 69649309. The next prime is 69649331. The reversal of 69649317 is 71394696.

It can be written as a sum of positive squares in only one way, i.e., 69205761 + 443556 = 8319^2 + 666^2 .

It is not a de Polignac number, because 69649317 - 2³ = 69649309 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 (69649337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3869398 + ... + 3869415.

Almost surely, 2^69649317 is an apocalyptic number.

It is an amenable number.

69649317 is a deficient number, since it is larger than the sum of its proper divisors (30955265).

69649317 is a wasteful number, since it uses less digits than its factorization.

69649317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738819 (or 7738816 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 69649317 is about 8345.6166338983. The cubic root of 69649317 is about 411.4391562154.

The spelling of 69649317 in words is "sixty-nine million, six hundred forty-nine thousand, three hundred seventeen".