64463786 has 8 divisors (see below), whose sum is σ = 97634784. Its totient is φ = 31918860.

The previous prime is 64463783. The next prime is 64463821. The reversal of 64463786 is 68736446.

It is a happy number.

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 (64463783) 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, 156260 + ... + 156671.

It is an arithmetic number, because the mean of its divisors is an integer number (12204348).

Almost surely, 2^64463786 is an apocalyptic number.

64463786 is a deficient number, since it is larger than the sum of its proper divisors (33170998).

64463786 is a wasteful number, since it uses less digits than its factorization.

64463786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313036.

The product of its digits is 580608, while the sum is 44.

The square root of 64463786 is about 8028.9343003913. The cubic root of 64463786 is about 400.9638962278.

The spelling of 64463786 in words is "sixty-four million, four hundred sixty-three thousand, seven hundred eighty-six".