1679796722 has 18 divisors (see below), whose sum is σ = 2561135463. Its totient is φ = 826306272.

The previous prime is 1679796709. The next prime is 1679796733. The reversal of 1679796722 is 2276979761.

It can be written as a sum of positive squares in 5 ways, for example, as 1229975041 + 449821681 = 35071^2 + 21209^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=28981.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4231028 + ... + 4231424.

Almost surely, 2^1679796722 is an apocalyptic number.

1679796722 is a deficient number, since it is larger than the sum of its proper divisors (881338741).

1679796722 is an frugal number, since it uses more digits than its factorization.

1679796722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 472 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 56.

The square root of 1679796722 is about 40985.3232511347. The cubic root of 1679796722 is about 1188.7364414533.

The spelling of 1679796722 in words is "one billion, six hundred seventy-nine million, seven hundred ninety-six thousand, seven hundred twenty-two".