65696905 has 16 divisors (see below), whose sum is σ = 83280384. Its totient is φ = 49674240.

The previous prime is 65696903. The next prime is 65696909. The reversal of 65696905 is 50969656.

It is a happy number.

It is not a de Polignac number, because 65696905 - 2¹ = 65696903 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (65696903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737 + ... + 11593.

It is an arithmetic number, because the mean of its divisors is an integer number (5205024).

Almost surely, 2^65696905 is an apocalyptic number.

It is an amenable number.

65696905 is a deficient number, since it is larger than the sum of its proper divisors (17583479).

65696905 is a wasteful number, since it uses less digits than its factorization.

65696905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936.

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 65696905 is about 8105.3627309331. The cubic root of 65696905 is about 403.5044265737.

The spelling of 65696905 in words is "sixty-five million, six hundred ninety-six thousand, nine hundred five".