64732623746 has 96 divisors (see below), whose sum is σ = 119440189440. Its totient is φ = 26183757600.

The previous prime is 64732623719. The next prime is 64732623751.

64732623746 is nontrivially palindromic in base 10.

64732623746 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 = 64732623694 and 64732623703.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62302295 + ... + 62303333.

It is an arithmetic number, because the mean of its divisors is an integer number (1244168640).

Almost surely, 2^64732623746 is an apocalyptic number.

64732623746 is a deficient number, since it is larger than the sum of its proper divisors (54707565694).

64732623746 is a wasteful number, since it uses less digits than its factorization.

64732623746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1413 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 50.

The spelling of 64732623746 in words is "sixty-four billion, seven hundred thirty-two million, six hundred twenty-three thousand, seven hundred forty-six".