2992729 has 2 divisors, whose sum is σ = 2992730. Its totient is φ = 2992728.

The previous prime is 2992723. The next prime is 2992733. The reversal of 2992729 is 9272992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2474329 + 518400 = 1573^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2992729 - 2¹⁵ = 2959961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2992691 and 2992700.

It is not a weakly prime, because it can be changed into another prime (2992723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1496364 + 1496365.

It is an arithmetic number, because the mean of its divisors is an integer number (1496365).

2^2992729 is an apocalyptic number.

It is an amenable number.

2992729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2992729 is an equidigital number, since it uses as much as digits as its factorization.

2992729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The square root of 2992729 is about 1729.9505773287. The cubic root of 2992729 is about 144.1083450301.

It can be divided in two parts, 2992 and 729, that added together give a square (3721 = 61²).

The spelling of 2992729 in words is "two million, nine hundred ninety-two thousand, seven hundred twenty-nine".