64872386 has 8 divisors (see below), whose sum is σ = 97818624. Its totient is φ = 32266180.

The previous prime is 64872383. The next prime is 64872419. The reversal of 64872386 is 68327846.

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

It is not an unprimeable number, because it can be changed into a prime (64872383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84530 + ... + 85293.

It is an arithmetic number, because the mean of its divisors is an integer number (12227328).

Almost surely, 2^64872386 is an apocalyptic number.

64872386 is a deficient number, since it is larger than the sum of its proper divisors (32946238).

64872386 is a wasteful number, since it uses less digits than its factorization.

64872386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170016.

The product of its digits is 387072, while the sum is 44.

The square root of 64872386 is about 8054.3395756573. The cubic root of 64872386 is about 401.8092748062.

The spelling of 64872386 in words is "sixty-four million, eight hundred seventy-two thousand, three hundred eighty-six".