64765634 has 16 divisors (see below), whose sum is σ = 100478976. Its totient is φ = 31309380.

The previous prime is 64765633. The next prime is 64765637. The reversal of 64765634 is 43656746.

Its product of digits (362880) is a multiple of the sum of its prime divisors (1120).

It is a junction number, because it is equal to n+sod(n) for n = 64765591 and 64765600.

It is not an unprimeable number, because it can be changed into a prime (64765633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59039 + ... + 60125.

It is an arithmetic number, because the mean of its divisors is an integer number (6279936).

Almost surely, 2^64765634 is an apocalyptic number.

64765634 is a deficient number, since it is larger than the sum of its proper divisors (35713342).

64765634 is an equidigital number, since it uses as much as digits as its factorization.

64765634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1120 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 64765634 is about 8047.7098605752. The cubic root of 64765634 is about 401.5887521453.

The spelling of 64765634 in words is "sixty-four million, seven hundred sixty-five thousand, six hundred thirty-four".