64768495 has 8 divisors (see below), whose sum is σ = 84787920. Its totient is φ = 47104320.

The previous prime is 64768481. The next prime is 64768499. The reversal of 64768495 is 59486746.

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

It is not a de Polignac number, because 64768495 - 2¹⁷ = 64637423 is a prime.

It is a super-3 number, since 3×64768495³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64768499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588750 + ... + 588859.

It is an arithmetic number, because the mean of its divisors is an integer number (10598490).

Almost surely, 2^64768495 is an apocalyptic number.

64768495 is a deficient number, since it is larger than the sum of its proper divisors (20019425).

64768495 is a wasteful number, since it uses less digits than its factorization.

64768495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177625.

The product of its digits is 1451520, while the sum is 49.

The square root of 64768495 is about 8047.8876110443. The cubic root of 64768495 is about 401.5946654073.

The spelling of 64768495 in words is "sixty-four million, seven hundred sixty-eight thousand, four hundred ninety-five".