64055870 has 8 divisors (see below), whose sum is σ = 115300584. Its totient is φ = 25622344.

The previous prime is 64055839. The next prime is 64055891. The reversal of 64055870 is 7855046.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64055870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3202784 + ... + 3202803.

It is an arithmetic number, because the mean of its divisors is an integer number (14412573).

Almost surely, 2^64055870 is an apocalyptic number.

64055870 is a deficient number, since it is larger than the sum of its proper divisors (51244714).

64055870 is a wasteful number, since it uses less digits than its factorization.

64055870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405594.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 64055870 is about 8003.4911132580. The cubic root of 64055870 is about 400.1163619798.

The spelling of 64055870 in words is "sixty-four million, fifty-five thousand, eight hundred seventy".