676238069 has 4 divisors (see below), whose sum is σ = 728256396. Its totient is φ = 624219744.

The previous prime is 676238039. The next prime is 676238191. The reversal of 676238069 is 960832676.

676238069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 387577969 + 288660100 = 19687^2 + 16990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676238069 is a prime.

It is a super-2 number, since 2×676238069² = 914595851929697522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676238029) 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, 26009144 + ... + 26009169.

It is an arithmetic number, because the mean of its divisors is an integer number (182064099).

Almost surely, 2^676238069 is an apocalyptic number.

It is an amenable number.

676238069 is a deficient number, since it is larger than the sum of its proper divisors (52018327).

676238069 is a wasteful number, since it uses less digits than its factorization.

676238069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52018326.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 676238069 is about 26004.5778469869. The cubic root of 676238069 is about 877.7413103005.

The spelling of 676238069 in words is "six hundred seventy-six million, two hundred thirty-eight thousand, sixty-nine".