64173006746 has 8 divisors (see below), whose sum is σ = 96489247680. Its totient is φ = 32009924188.

The previous prime is 64173006731. The next prime is 64173006769. The reversal of 64173006746 is 64760037146.

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

It is a super-4 number, since 4×64173006746⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64173006697 and 64173006706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38288546 + ... + 38290221.

It is an arithmetic number, because the mean of its divisors is an integer number (12061155960).

Almost surely, 2^64173006746 is an apocalyptic number.

64173006746 is a deficient number, since it is larger than the sum of its proper divisors (32316240934).

64173006746 is a wasteful number, since it uses less digits than its factorization.

64173006746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76579188.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 64173006746 in words is "sixty-four billion, one hundred seventy-three million, six thousand, seven hundred forty-six".