1676735729 has 2 divisors, whose sum is σ = 1676735730. Its totient is φ = 1676735728.

The previous prime is 1676735701. The next prime is 1676735741. The reversal of 1676735729 is 9275376761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1575693025 + 101042704 = 39695^2 + 10052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1676735729 is a prime.

It is a super-2 number, since 2×1676735729² = 5622885409810322882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1676735129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838367864 + 838367865.

It is an arithmetic number, because the mean of its divisors is an integer number (838367865).

Almost surely, 2^1676735729 is an apocalyptic number.

It is an amenable number.

1676735729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1676735729 is an equidigital number, since it uses as much as digits as its factorization.

1676735729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3333960, while the sum is 53.

The square root of 1676735729 is about 40947.9636734234. The cubic root of 1676735729 is about 1188.0139480067.

The spelling of 1676735729 in words is "one billion, six hundred seventy-six million, seven hundred thirty-five thousand, seven hundred twenty-nine".