64000712622 has 64 divisors (see below), whose sum is σ = 161166371328. Its totient is φ = 16458960000.

The previous prime is 64000712599. The next prime is 64000712623. The reversal of 64000712622 is 22621700046.

It is a super-2 number, since 2×64000712622² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64000712622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64000712623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639129 + ... + 732452.

It is an arithmetic number, because the mean of its divisors is an integer number (2518224552).

Almost surely, 2^64000712622 is an apocalyptic number.

64000712622 is an abundant number, since it is smaller than the sum of its proper divisors (97165658706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64000712622 is a wasteful number, since it uses less digits than its factorization.

64000712622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371705.

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 64000712622 in words is "sixty-four billion, seven hundred twelve thousand, six hundred twenty-two".