64864461 has 8 divisors (see below), whose sum is σ = 91037920. Its totient is φ = 40966992.

The previous prime is 64864453. The next prime is 64864477. The reversal of 64864461 is 16446846.

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

It is not a de Polignac number, because 64864461 - 2³ = 64864453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64869461) 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, 568930 + ... + 569043.

It is an arithmetic number, because the mean of its divisors is an integer number (11379740).

Almost surely, 2^64864461 is an apocalyptic number.

It is an amenable number.

64864461 is a deficient number, since it is larger than the sum of its proper divisors (26173459).

64864461 is a wasteful number, since it uses less digits than its factorization.

64864461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137995.

The product of its digits is 110592, while the sum is 39.

The square root of 64864461 is about 8053.8475898169. The cubic root of 64864461 is about 401.7929120754.

The spelling of 64864461 in words is "sixty-four million, eight hundred sixty-four thousand, four hundred sixty-one".