64466347 has 4 divisors (see below), whose sum is σ = 70326936. Its totient is φ = 58605760.

The previous prime is 64466341. The next prime is 64466357. The reversal of 64466347 is 74366446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64466347 - 2¹⁹ = 63942059 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 in 3 ways as a sum of consecutive naturals, for example, 2930278 + ... + 2930299.

It is an arithmetic number, because the mean of its divisors is an integer number (17581734).

Almost surely, 2^64466347 is an apocalyptic number.

64466347 is a deficient number, since it is larger than the sum of its proper divisors (5860589).

64466347 is a wasteful number, since it uses less digits than its factorization.

64466347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860588.

The product of its digits is 290304, while the sum is 40.

The square root of 64466347 is about 8029.0937844815. The cubic root of 64466347 is about 400.9692059528.

Subtracting 64466347 from its reverse (74366446), we obtain a palindrome (9900099).

The spelling of 64466347 in words is "sixty-four million, four hundred sixty-six thousand, three hundred forty-seven".