64532306 has 8 divisors (see below), whose sum is σ = 102492540. Its totient is φ = 30368128.

The previous prime is 64532267. The next prime is 64532309. The reversal of 64532306 is 60323546.

It can be written as a sum of positive squares in 2 ways, for example, as 52345225 + 12187081 = 7235^2 + 3491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64532309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948971 + ... + 949038.

Almost surely, 2^64532306 is an apocalyptic number.

64532306 is a deficient number, since it is larger than the sum of its proper divisors (37960234).

64532306 is a wasteful number, since it uses less digits than its factorization.

64532306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898028.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 64532306 is about 8033.2002340288. The cubic root of 64532306 is about 401.1059104208.

The spelling of 64532306 in words is "sixty-four million, five hundred thirty-two thousand, three hundred six".