64696967 has 4 divisors (see below), whose sum is σ = 65025576. Its totient is φ = 64368360.

The previous prime is 64696903. The next prime is 64696987. The reversal of 64696967 is 76969646.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64696967 - 2⁶ = 64696903 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 (64696987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164009 + ... + 164402.

It is an arithmetic number, because the mean of its divisors is an integer number (16256394).

Almost surely, 2^64696967 is an apocalyptic number.

64696967 is a deficient number, since it is larger than the sum of its proper divisors (328609).

64696967 is a wasteful number, since it uses less digits than its factorization.

64696967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328608.

The product of its digits is 2939328, while the sum is 53.

The square root of 64696967 is about 8043.4424844093. The cubic root of 64696967 is about 401.4467753768.

The spelling of 64696967 in words is "sixty-four million, six hundred ninety-six thousand, nine hundred sixty-seven".