7812736349 has 12 divisors (see below), whose sum is σ = 8787269568. Its totient is φ = 6937308840.

The previous prime is 7812736303. The next prime is 7812736357. The reversal of 7812736349 is 9436372187.

It is not a de Polignac number, because 7812736349 - 2¹⁶ = 7812670813 is a prime.

It is a super-2 number, since 2×7812736349² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7812736297 and 7812736306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7812736849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 745589 + ... + 755994.

It is an arithmetic number, because the mean of its divisors is an integer number (732272464).

Almost surely, 2^7812736349 is an apocalyptic number.

It is an amenable number.

7812736349 is a deficient number, since it is larger than the sum of its proper divisors (974533219).

7812736349 is a wasteful number, since it uses less digits than its factorization.

7812736349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501648 (or 1501637 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 7812736349 is about 88389.6846300517. The cubic root of 7812736349 is about 1984.2713243932.

The spelling of 7812736349 in words is "seven billion, eight hundred twelve million, seven hundred thirty-six thousand, three hundred forty-nine".