68283649 has 8 divisors (see below), whose sum is σ = 78091200. Its totient is φ = 58489296.

The previous prime is 68283641. The next prime is 68283673. The reversal of 68283649 is 94638286.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68283649 - 2³ = 68283641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68283599 and 68283608.

It is not an unprimeable number, because it can be changed into a prime (68283641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13527 + ... + 17875.

It is an arithmetic number, because the mean of its divisors is an integer number (9761400).

Almost surely, 2^68283649 is an apocalyptic number.

It is an amenable number.

68283649 is a deficient number, since it is larger than the sum of its proper divisors (9807551).

68283649 is a wasteful number, since it uses less digits than its factorization.

68283649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599.

The product of its digits is 497664, while the sum is 46.

The square root of 68283649 is about 8263.3921001003. The cubic root of 68283649 is about 408.7322510350.

The spelling of 68283649 in words is "sixty-eight million, two hundred eighty-three thousand, six hundred forty-nine".