64770232 has 16 divisors (see below), whose sum is σ = 121615200. Its totient is φ = 32339520.

The previous prime is 64770229. The next prime is 64770263. The reversal of 64770232 is 23207746.

It is a happy number.

64770232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64770194 and 64770203.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 769 + ... + 11407.

It is an arithmetic number, because the mean of its divisors is an integer number (7600950).

Almost surely, 2^64770232 is an apocalyptic number.

It is an amenable number.

64770232 is a deficient number, since it is larger than the sum of its proper divisors (56844968).

64770232 is a wasteful number, since it uses less digits than its factorization.

64770232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11406 (or 11402 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 64770232 is about 8047.9955268377. The cubic root of 64770232 is about 401.5982554434.

Adding to 64770232 its reverse (23207746), we get a palindrome (87977978).

It can be divided in two parts, 6477023 and 2, that added together give a square (6477025 = 2545²).

The spelling of 64770232 in words is "sixty-four million, seven hundred seventy thousand, two hundred thirty-two".