64868347 has 4 divisors (see below), whose sum is σ = 65230920. Its totient is φ = 64505776.

The previous prime is 64868333. The next prime is 64868371. The reversal of 64868347 is 74386846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64868347 - 2²³ = 56479739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64868297 and 64868306.

It is not an unprimeable number, because it can be changed into a prime (64860347) 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, 181018 + ... + 181375.

It is an arithmetic number, because the mean of its divisors is an integer number (16307730).

Almost surely, 2^64868347 is an apocalyptic number.

64868347 is a deficient number, since it is larger than the sum of its proper divisors (362573).

64868347 is a wasteful number, since it uses less digits than its factorization.

64868347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362572.

The product of its digits is 774144, while the sum is 46.

The square root of 64868347 is about 8054.0888373546. The cubic root of 64868347 is about 401.8009356579.

The spelling of 64868347 in words is "sixty-four million, eight hundred sixty-eight thousand, three hundred forty-seven".