64461232 has 40 divisors (see below), whose sum is σ = 136701072. Its totient is φ = 29203200.

The previous prime is 64461227. The next prime is 64461233. The reversal of 64461232 is 23216446.

It is a self number, because there is not a number n which added to its sum of digits gives 64461232.

It is not an unprimeable number, because it can be changed into a prime (64461233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94878 + ... + 95554.

Almost surely, 2^64461232 is an apocalyptic number.

It is an amenable number.

64461232 is an abundant number, since it is smaller than the sum of its proper divisors (72239840).

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

64461232 is a wasteful number, since it uses less digits than its factorization.

64461232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1231 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 64461232 is about 8028.7752490651. The cubic root of 64461232 is about 400.9586008757.

Adding to 64461232 its reverse (23216446), we get a palindrome (87677678).

The spelling of 64461232 in words is "sixty-four million, four hundred sixty-one thousand, two hundred thirty-two".