69568957 has 4 divisors (see below), whose sum is σ = 69594876. Its totient is φ = 69543040.

The previous prime is 69568931. The next prime is 69569029. The reversal of 69568957 is 75986596.

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 65464281 + 4104676 = 8091^2 + 2026^2 .

It is a cyclic number.

It is not a de Polignac number, because 69568957 - 2¹⁵ = 69536189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69568898 and 69568907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69568657) 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 3 ways as a sum of consecutive naturals, for example, 8398 + ... + 14479.

It is an arithmetic number, because the mean of its divisors is an integer number (17398719).

Almost surely, 2^69568957 is an apocalyptic number.

It is an amenable number.

69568957 is a deficient number, since it is larger than the sum of its proper divisors (25919).

69568957 is a wasteful number, since it uses less digits than its factorization.

69568957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25918.

The product of its digits is 4082400, while the sum is 55.

The square root of 69568957 is about 8340.8007409361. The cubic root of 69568957 is about 411.2808585412.

The spelling of 69568957 in words is "sixty-nine million, five hundred sixty-eight thousand, nine hundred fifty-seven".