68702889 has 4 divisors (see below), whose sum is σ = 91603856. Its totient is φ = 45801924.

The previous prime is 68702873. The next prime is 68702911. The reversal of 68702889 is 98820786.

It is a happy number.

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 not a de Polignac number, because 68702889 - 2⁴ = 68702873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68702489) 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, 11450479 + ... + 11450484.

It is an arithmetic number, because the mean of its divisors is an integer number (22900964).

Almost surely, 2^68702889 is an apocalyptic number.

It is an amenable number.

68702889 is a deficient number, since it is larger than the sum of its proper divisors (22900967).

68702889 is a wasteful number, since it uses less digits than its factorization.

68702889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22900966.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 68702889 is about 8288.7205888484. The cubic root of 68702889 is about 409.5670404775.

The spelling of 68702889 in words is "sixty-eight million, seven hundred two thousand, eight hundred eighty-nine".