676633445 has 6 divisors (see below), whose sum is σ = 812029938. Its totient is φ = 541260224.

The previous prime is 676633429. The next prime is 676633493. The reversal of 676633445 is 544336676.

It can be written as a sum of positive squares in 3 ways, for example, as 158206084 + 518427361 = 12578^2 + 22769^2 .

It is not a de Polignac number, because 676633445 - 2⁴ = 676633429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 676633396 and 676633405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52349 + ... + 63981.

It is an arithmetic number, because the mean of its divisors is an integer number (135338323).

Almost surely, 2^676633445 is an apocalyptic number.

It is an amenable number.

676633445 is a deficient number, since it is larger than the sum of its proper divisors (135396493).

676633445 is an frugal number, since it uses more digits than its factorization.

676633445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23271 (or 11638 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 44.

The square root of 676633445 is about 26012.1787822551. The cubic root of 676633445 is about 877.9123399285.

The spelling of 676633445 in words is "six hundred seventy-six million, six hundred thirty-three thousand, four hundred forty-five".