64303473 has 16 divisors (see below), whose sum is σ = 94300416. Its totient is φ = 38728320.

The previous prime is 64303471. The next prime is 64303541. The reversal of 64303473 is 37430346.

It is not a de Polignac number, because 64303473 - 2¹ = 64303471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64303473.

It is not an unprimeable number, because it can be changed into a prime (64303471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15708 + ... + 19373.

It is an arithmetic number, because the mean of its divisors is an integer number (5893776).

Almost surely, 2^64303473 is an apocalyptic number.

It is an amenable number.

64303473 is a deficient number, since it is larger than the sum of its proper divisors (29996943).

64303473 is a wasteful number, since it uses less digits than its factorization.

64303473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35144.

The product of its (nonzero) digits is 18144, while the sum is 30.

The square root of 64303473 is about 8018.9446313090. The cubic root of 64303473 is about 400.6312387368.

The spelling of 64303473 in words is "sixty-four million, three hundred three thousand, four hundred seventy-three".