64472300 has 36 divisors (see below), whose sum is σ = 140876400. Its totient is φ = 25609920.

The previous prime is 64472293. The next prime is 64472321. The reversal of 64472300 is 327446.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64472300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12737 + ... + 17063.

Almost surely, 2^64472300 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 64472300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70438200).

64472300 is an abundant number, since it is smaller than the sum of its proper divisors (76404100).

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

64472300 is a wasteful number, since it uses less digits than its factorization.

64472300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490 (or 4483 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 64472300 is about 8029.4644902384. The cubic root of 64472300 is about 400.9815477731.

Adding to 64472300 its reverse (327446), we get a palindrome (64799746).

The spelling of 64472300 in words is "sixty-four million, four hundred seventy-two thousand, three hundred".