64791382 has 8 divisors (see below), whose sum is σ = 97831152. Its totient is φ = 32181000.

The previous prime is 64791379. The next prime is 64791401. The reversal of 64791382 is 28319746.

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

It is a super-3 number, since 3×64791382³ (a number of 24 digits) contains 333 as substring.

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, 106969 + ... + 107572.

It is an arithmetic number, because the mean of its divisors is an integer number (12228894).

Almost surely, 2^64791382 is an apocalyptic number.

64791382 is a deficient number, since it is larger than the sum of its proper divisors (33039770).

64791382 is a wasteful number, since it uses less digits than its factorization.

64791382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214694.

The product of its digits is 72576, while the sum is 40.

The square root of 64791382 is about 8049.3094113719. The cubic root of 64791382 is about 401.6419631699.

It can be divided in two parts, 647 and 91382, that added together give a palindrome (92029).

The spelling of 64791382 in words is "sixty-four million, seven hundred ninety-one thousand, three hundred eighty-two".