64470345 has 8 divisors (see below), whose sum is σ = 103152576. Its totient is φ = 34384176.

The previous prime is 64470319. The next prime is 64470347. The reversal of 64470345 is 54307446.

It is a happy number.

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

It is not a de Polignac number, because 64470345 - 2⁸ = 64470089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64470347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148997 + ... + 2149026.

It is an arithmetic number, because the mean of its divisors is an integer number (12894072).

Almost surely, 2^64470345 is an apocalyptic number.

It is an amenable number.

64470345 is a deficient number, since it is larger than the sum of its proper divisors (38682231).

64470345 is a wasteful number, since it uses less digits than its factorization.

64470345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298031.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 64470345 is about 8029.3427501882. The cubic root of 64470345 is about 400.9774947310.

The spelling of 64470345 in words is "sixty-four million, four hundred seventy thousand, three hundred forty-five".