64762250 has 64 divisors (see below), whose sum is σ = 144668160. Its totient is φ = 21225600.

The previous prime is 64762223. The next prime is 64762259. The reversal of 64762250 is 5226746.

64762250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64762259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39446 + ... + 41054.

It is an arithmetic number, because the mean of its divisors is an integer number (2260440).

Almost surely, 2^64762250 is an apocalyptic number.

64762250 is an abundant number, since it is smaller than the sum of its proper divisors (79905910).

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

64762250 is a wasteful number, since it uses less digits than its factorization.

64762250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 64762250 is about 8047.4996116806. The cubic root of 64762250 is about 401.5817576950.

Adding to 64762250 its reverse (5226746), we get a palindrome (69988996).

The spelling of 64762250 in words is "sixty-four million, seven hundred sixty-two thousand, two hundred fifty".