68449677 has 4 divisors (see below), whose sum is σ = 91266240. Its totient is φ = 45633116.

The previous prime is 68449673. The next prime is 68449681. The reversal of 68449677 is 77694486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (68449673) and next prime (68449681).

It is a cyclic number.

It is not a de Polignac number, because 68449677 - 2² = 68449673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68449673) 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, 11408277 + ... + 11408282.

It is an arithmetic number, because the mean of its divisors is an integer number (22816560).

Almost surely, 2^68449677 is an apocalyptic number.

It is an amenable number.

68449677 is a deficient number, since it is larger than the sum of its proper divisors (22816563).

68449677 is a wasteful number, since it uses less digits than its factorization.

68449677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22816562.

The product of its digits is 2032128, while the sum is 51.

The square root of 68449677 is about 8273.4319964571. The cubic root of 68449677 is about 409.0632530305.

The spelling of 68449677 in words is "sixty-eight million, four hundred forty-nine thousand, six hundred seventy-seven".