64968927 has 8 divisors (see below), whose sum is σ = 86824320. Its totient is φ = 43213080.

The previous prime is 64968907. The next prime is 64968931. The reversal of 64968927 is 72986946.

It is a happy number.

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

It is not a de Polignac number, because 64968927 - 2⁶ = 64968863 is a prime.

It is a super-2 number, since 2×64968927² = 8441922951062658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64968927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64968907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23349 + ... + 25982.

It is an arithmetic number, because the mean of its divisors is an integer number (10853040).

Almost surely, 2^64968927 is an apocalyptic number.

64968927 is a deficient number, since it is larger than the sum of its proper divisors (21855393).

64968927 is a wasteful number, since it uses less digits than its factorization.

64968927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49773.

The product of its digits is 1306368, while the sum is 51.

The square root of 64968927 is about 8060.3304522830. The cubic root of 64968927 is about 402.0084958973.

The spelling of 64968927 in words is "sixty-four million, nine hundred sixty-eight thousand, nine hundred twenty-seven".