64472456748 has 48 divisors (see below), whose sum is σ = 173080454400. Its totient is φ = 18297069504.

The previous prime is 64472456707. The next prime is 64472456749. The reversal of 64472456748 is 84765427446.

It is not an unprimeable number, because it can be changed into a prime (64472456749) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2563086 + ... + 2588117.

It is an arithmetic number, because the mean of its divisors is an integer number (3605842800).

Almost surely, 2^64472456748 is an apocalyptic number.

It is an amenable number.

64472456748 is an abundant number, since it is smaller than the sum of its proper divisors (108607997652).

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

64472456748 is a wasteful number, since it uses less digits than its factorization.

64472456748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151366 (or 5151364 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 57.

The spelling of 64472456748 in words is "sixty-four billion, four hundred seventy-two million, four hundred fifty-six thousand, seven hundred forty-eight".