64324473 has 8 divisors (see below), whose sum is σ = 88532736. Its totient is φ = 41499600.

The previous prime is 64324471. The next prime is 64324493. The reversal of 64324473 is 37442346.

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

It is not a de Polignac number, because 64324473 - 2¹ = 64324471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64324471) 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, 345738 + ... + 345923.

It is an arithmetic number, because the mean of its divisors is an integer number (11066592).

Almost surely, 2^64324473 is an apocalyptic number.

It is an amenable number.

64324473 is a deficient number, since it is larger than the sum of its proper divisors (24208263).

64324473 is a wasteful number, since it uses less digits than its factorization.

64324473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691695.

The product of its digits is 48384, while the sum is 33.

The square root of 64324473 is about 8020.2539236610. The cubic root of 64324473 is about 400.6748462328.

The spelling of 64324473 in words is "sixty-four million, three hundred twenty-four thousand, four hundred seventy-three".