68570789 has 4 divisors (see below), whose sum is σ = 78366624. Its totient is φ = 58774956.

The previous prime is 68570717. The next prime is 68570833. The reversal of 68570789 is 98707586.

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 a cyclic number.

It is not a de Polignac number, because 68570789 - 2¹⁶ = 68505253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68570189) 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, 4897907 + ... + 4897920.

It is an arithmetic number, because the mean of its divisors is an integer number (19591656).

Almost surely, 2^68570789 is an apocalyptic number.

It is an amenable number.

68570789 is a deficient number, since it is larger than the sum of its proper divisors (9795835).

68570789 is an equidigital number, since it uses as much as digits as its factorization.

68570789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9795834.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 68570789 is about 8280.7480942243. The cubic root of 68570789 is about 409.3043706910.

The spelling of 68570789 in words is "sixty-eight million, five hundred seventy thousand, seven hundred eighty-nine".