64065782 has 8 divisors (see below), whose sum is σ = 104834952. Its totient is φ = 29120800.

The previous prime is 64065769. The next prime is 64065797. The reversal of 64065782 is 28756046.

It is a happy number.

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

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, 1456019 + ... + 1456062.

It is an arithmetic number, because the mean of its divisors is an integer number (13104369).

Almost surely, 2^64065782 is an apocalyptic number.

64065782 is a deficient number, since it is larger than the sum of its proper divisors (40769170).

64065782 is a wasteful number, since it uses less digits than its factorization.

64065782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912094.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 64065782 is about 8004.1103190798. The cubic root of 64065782 is about 400.1369989062.

The spelling of 64065782 in words is "sixty-four million, sixty-five thousand, seven hundred eighty-two".