64936473 has 8 divisors (see below), whose sum is σ = 98950848. Its totient is φ = 37106544.

The previous prime is 64936463. The next prime is 64936477. The reversal of 64936473 is 37463946.

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

It is not a de Polignac number, because 64936473 - 2⁶ = 64936409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64936477) 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, 1546086 + ... + 1546127.

It is an arithmetic number, because the mean of its divisors is an integer number (12368856).

Almost surely, 2^64936473 is an apocalyptic number.

It is an amenable number.

64936473 is a deficient number, since it is larger than the sum of its proper divisors (34014375).

64936473 is a wasteful number, since it uses less digits than its factorization.

64936473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092223.

The product of its digits is 326592, while the sum is 42.

The square root of 64936473 is about 8058.3170079118. The cubic root of 64936473 is about 401.9415461653.

The spelling of 64936473 in words is "sixty-four million, nine hundred thirty-six thousand, four hundred seventy-three".