64472605000720 has 40 divisors (see below), whose sum is σ = 171312921860544. Its totient is φ = 22104893142912.

The previous prime is 64472605000697. The next prime is 64472605000753. The reversal of 64472605000720 is 2700050627446.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 57564825334 + ... + 57564826453.

Almost surely, 2^{64472605000720} is an apocalyptic number.

It is an amenable number.

64472605000720 is an abundant number, since it is smaller than the sum of its proper divisors (106840316859824).

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

64472605000720 is a wasteful number, since it uses less digits than its factorization.

64472605000720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115129651807 (or 115129651801 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 64472605000720 in words is "sixty-four trillion, four hundred seventy-two billion, six hundred five million, seven hundred twenty", and thus it is an aban number.