64772027746 has 8 divisors (see below), whose sum is σ = 97161382764. Its totient is φ = 32384900160.

The previous prime is 64772027681. The next prime is 64772027773.

64772027746 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 64358108721 + 413919025 = 253689^2 + 20345^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 64772027693 and 64772027702.

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, 482155 + ... + 601678.

Almost surely, 2^64772027746 is an apocalyptic number.

64772027746 is a deficient number, since it is larger than the sum of its proper divisors (32389355018).

64772027746 is a wasteful number, since it uses less digits than its factorization.

64772027746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113716.

The product of its (nonzero) digits is 5531904, while the sum is 52.

The spelling of 64772027746 in words is "sixty-four billion, seven hundred seventy-two million, twenty-seven thousand, seven hundred forty-six".