64466344 has 8 divisors (see below), whose sum is σ = 120874410. Its totient is φ = 32233168.

The previous prime is 64466341. The next prime is 64466357. The reversal of 64466344 is 44366446.

It can be written as a sum of positive squares in only one way, i.e., 58522500 + 5943844 = 7650^2 + 2438^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64466341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4029139 + ... + 4029154.

Almost surely, 2^64466344 is an apocalyptic number.

It is an amenable number.

64466344 is a deficient number, since it is larger than the sum of its proper divisors (56408066).

64466344 is a wasteful number, since it uses less digits than its factorization.

64466344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058299 (or 8058295 counting only the distinct ones).

The product of its digits is 165888, while the sum is 37.

The square root of 64466344 is about 8029.0935976609. The cubic root of 64466344 is about 400.9691997330.

The spelling of 64466344 in words is "sixty-four million, four hundred sixty-six thousand, three hundred forty-four".