64061232 has 40 divisors (see below), whose sum is σ = 171201840. Its totient is φ = 20616960.

The previous prime is 64061201. The next prime is 64061237. The reversal of 64061232 is 23216046.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (64061237) 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, 21619 + ... + 24402.

It is an arithmetic number, because the mean of its divisors is an integer number (4280046).

Almost surely, 2^64061232 is an apocalyptic number.

It is an amenable number.

64061232 is an abundant number, since it is smaller than the sum of its proper divisors (107140608).

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

64061232 is a wasteful number, since it uses less digits than its factorization.

64061232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46061 (or 46055 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 64061232 is about 8003.8260850671. The cubic root of 64061232 is about 400.1275260051.

Adding to 64061232 its reverse (23216046), we get a palindrome (87277278).

The spelling of 64061232 in words is "sixty-four million, sixty-one thousand, two hundred thirty-two".