64201332 has 48 divisors (see below), whose sum is σ = 161864640. Its totient is φ = 19688448.

The previous prime is 64201321. The next prime is 64201337. The reversal of 64201332 is 23310246.

It is a happy number.

It is a super-2 number, since 2×64201332² = 8243622061148448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64201299 and 64201308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64201337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68644 + ... + 69572.

It is an arithmetic number, because the mean of its divisors is an integer number (3372180).

Almost surely, 2^64201332 is an apocalyptic number.

It is an amenable number.

64201332 is an abundant number, since it is smaller than the sum of its proper divisors (97663308).

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

64201332 is a wasteful number, since it uses less digits than its factorization.

64201332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 64201332 is about 8012.5733693989. The cubic root of 64201332 is about 400.4190026055.

Adding to 64201332 its reverse (23310246), we get a palindrome (87511578).

The spelling of 64201332 in words is "sixty-four million, two hundred one thousand, three hundred thirty-two".