64603332 has 120 divisors (see below), whose sum is σ = 184232664. Its totient is φ = 19657728.

The previous prime is 64603327. The next prime is 64603361. The reversal of 64603332 is 23330646.

64603332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14561856 + 50041476 = 3816^2 + 7074^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 64603296 and 64603305.

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 39 ways as a sum of consecutive naturals, for example, 203638 + ... + 203954.

Almost surely, 2^64603332 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 64603332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92116332).

64603332 is an abundant number, since it is smaller than the sum of its proper divisors (119629332).

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

64603332 is a wasteful number, since it uses less digits than its factorization.

64603332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 64603332 is about 8037.6197969299. The cubic root of 64603332 is about 401.2530124676.

Adding to 64603332 its reverse (23330646), we get a palindrome (87933978).

The spelling of 64603332 in words is "sixty-four million, six hundred three thousand, three hundred thirty-two".