64625070272 has 112 divisors (see below), whose sum is σ = 160982192640. Its totient is φ = 25097859072.

The previous prime is 64625070259. The next prime is 64625070287. The reversal of 64625070272 is 27207052646.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30728 + ... + 360824.

Almost surely, 2^64625070272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64625070272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80491096320).

64625070272 is an abundant number, since it is smaller than the sum of its proper divisors (96357122368).

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

64625070272 is a wasteful number, since it uses less digits than its factorization.

64625070272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330158 (or 330148 counting only the distinct ones).

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

The spelling of 64625070272 in words is "sixty-four billion, six hundred twenty-five million, seventy thousand, two hundred seventy-two".