64246620727 has 8 divisors (see below), whose sum is σ = 65215545120. Its totient is φ = 63283186560.

The previous prime is 64246620721. The next prime is 64246620731. The reversal of 64246620727 is 72702664246.

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

It is not a de Polignac number, because 64246620727 - 2¹⁵ = 64246587959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64246620721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348974 + ... + 1395787.

It is an arithmetic number, because the mean of its divisors is an integer number (8151943140).

Almost surely, 2^64246620727 is an apocalyptic number.

64246620727 is a deficient number, since it is larger than the sum of its proper divisors (968924393).

64246620727 is a wasteful number, since it uses less digits than its factorization.

64246620727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745113.

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 64246620727 in words is "sixty-four billion, two hundred forty-six million, six hundred twenty thousand, seven hundred twenty-seven".