64788746 has 48 divisors (see below), whose sum is σ = 117059040. Its totient is φ = 26595360.

The previous prime is 64788743. The next prime is 64788781.

64788746 is nontrivially palindromic in base 10.

64788746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64788694 and 64788703.

It is not an unprimeable number, because it can be changed into a prime (64788743) 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 23 ways as a sum of consecutive naturals, for example, 220976 + ... + 221268.

It is an arithmetic number, because the mean of its divisors is an integer number (2438730).

Almost surely, 2^64788746 is an apocalyptic number.

64788746 is a deficient number, since it is larger than the sum of its proper divisors (52270294).

64788746 is a wasteful number, since it uses less digits than its factorization.

64788746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 348 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 64788746 is about 8049.1456689515. The cubic root of 64788746 is about 401.6365162388.

The spelling of 64788746 in words is "sixty-four million, seven hundred eighty-eight thousand, seven hundred forty-six".