64072225706 has 8 divisors (see below), whose sum is σ = 97424891364. Its totient is φ = 31597261920.

The previous prime is 64072225699. The next prime is 64072225729. The reversal of 64072225706 is 60752227046.

It can be written as a sum of positive squares in 2 ways, for example, as 63852741481 + 219484225 = 252691^2 + 14815^2 .

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

It is a super-3 number, since 3×64072225706³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219425285 + ... + 219425576.

Almost surely, 2^64072225706 is an apocalyptic number.

64072225706 is a deficient number, since it is larger than the sum of its proper divisors (33352665658).

64072225706 is a wasteful number, since it uses less digits than its factorization.

64072225706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438850936.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 64072225706 in words is "sixty-four billion, seventy-two million, two hundred twenty-five thousand, seven hundred six".