64352473 has 8 divisors (see below), whose sum is σ = 65390976. Its totient is φ = 63320400.

The previous prime is 64352471. The next prime is 64352489. The reversal of 64352473 is 37425346.

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

It is a cyclic number.

It is not a de Polignac number, because 64352473 - 2¹ = 64352471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64352471) 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, 21063 + ... + 23923.

It is an arithmetic number, because the mean of its divisors is an integer number (8173872).

Almost surely, 2^64352473 is an apocalyptic number.

It is an amenable number.

64352473 is a deficient number, since it is larger than the sum of its proper divisors (1038503).

64352473 is a wasteful number, since it uses less digits than its factorization.

64352473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215.

The product of its digits is 60480, while the sum is 34.

The square root of 64352473 is about 8021.9993143854. Note that the first 3 decimals coincide. The cubic root of 64352473 is about 400.7329747995.

The spelling of 64352473 in words is "sixty-four million, three hundred fifty-two thousand, four hundred seventy-three".