64722744722746 has 8 divisors (see below), whose sum is σ = 105909945909984. Its totient is φ = 29419429419420.

The previous prime is 64722744722707. The next prime is 64722744722749.

64722744722746 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64722744722749) 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, 1470971470950 + ... + 1470971470993.

It is an arithmetic number, because the mean of its divisors is an integer number (13238743238748).

Almost surely, 2^{64722744722746} is an apocalyptic number.

64722744722746 is a deficient number, since it is larger than the sum of its proper divisors (41187201187238).

64722744722746 is a wasteful number, since it uses less digits than its factorization.

64722744722746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941942941956.

The product of its digits is 354041856, while the sum is 64.

The spelling of 64722744722746 in words is "sixty-four trillion, seven hundred twenty-two billion, seven hundred forty-four million, seven hundred twenty-two thousand, seven hundred forty-six".