64449352 has 32 divisors (see below), whose sum is σ = 132153120. Its totient is φ = 29223040.

The previous prime is 64449347. The next prime is 64449353. The reversal of 64449352 is 25394446.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64449353) 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, 53703 + ... + 54889.

It is an arithmetic number, because the mean of its divisors is an integer number (4129785).

Almost surely, 2^64449352 is an apocalyptic number.

It is an amenable number.

64449352 is an abundant number, since it is smaller than the sum of its proper divisors (67703768).

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

64449352 is a wasteful number, since it uses less digits than its factorization.

64449352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821 (or 1817 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 64449352 is about 8028.0353761054. The cubic root of 64449352 is about 400.9339675642.

The spelling of 64449352 in words is "sixty-four million, four hundred forty-nine thousand, three hundred fifty-two".