64703232 has 288 divisors, whose sum is σ = 223695360. Its totient is φ = 18247680.

The previous prime is 64703203. The next prime is 64703273. The reversal of 64703232 is 23230746.

It is a tau number, because it is divible by the number of its divisors (288).

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 = 64703196 and 64703205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1748718 + ... + 1748754.

It is an arithmetic number, because the mean of its divisors is an integer number (776720).

Almost surely, 2^64703232 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 64703232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111847680).

64703232 is an abundant number, since it is smaller than the sum of its proper divisors (158992128).

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

64703232 is a wasteful number, since it uses less digits than its factorization.

64703232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 64703232 is about 8043.8319226597. The cubic root of 64703232 is about 401.4597331345.

Adding to 64703232 its reverse (23230746), we get a palindrome (87933978).

The spelling of 64703232 in words is "sixty-four million, seven hundred three thousand, two hundred thirty-two".