64933473 has 32 divisors (see below), whose sum is σ = 96832512. Its totient is φ = 38376000.

The previous prime is 64933457. The next prime is 64933481. The reversal of 64933473 is 37433946.

It is not a de Polignac number, because 64933473 - 2⁴ = 64933457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64933073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413511 + ... + 413667.

It is an arithmetic number, because the mean of its divisors is an integer number (3026016).

Almost surely, 2^64933473 is an apocalyptic number.

It is an amenable number.

64933473 is a deficient number, since it is larger than the sum of its proper divisors (31899039).

64933473 is a wasteful number, since it uses less digits than its factorization.

64933473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

The product of its digits is 163296, while the sum is 39.

The square root of 64933473 is about 8058.1308626753. The cubic root of 64933473 is about 401.9353563044.

The spelling of 64933473 in words is "sixty-four million, nine hundred thirty-three thousand, four hundred seventy-three".