65676764 has 12 divisors (see below), whose sum is σ = 118897800. Its totient is φ = 31705968.

The previous prime is 65676761. The next prime is 65676769. The reversal of 65676764 is 46767656.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65676761) 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, 282974 + ... + 283205.

It is an arithmetic number, because the mean of its divisors is an integer number (9908150).

Almost surely, 2^65676764 is an apocalyptic number.

It is an amenable number.

65676764 is a deficient number, since it is larger than the sum of its proper divisors (53221036).

65676764 is a wasteful number, since it uses less digits than its factorization.

65676764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566212 (or 566210 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 47.

The square root of 65676764 is about 8104.1201866705. The cubic root of 65676764 is about 403.4631876280.

It can be divided in two parts, 6567 and 6764, that added together give a palindrome (13331).

The spelling of 65676764 in words is "sixty-five million, six hundred seventy-six thousand, seven hundred sixty-four".