1074734821 has 2 divisors, whose sum is σ = 1074734822. Its totient is φ = 1074734820.

The previous prime is 1074734813. The next prime is 1074734827. The reversal of 1074734821 is 1284374701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060218721 + 14516100 = 32561^2 + 3810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074734821 - 2³ = 1074734813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074734827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537367410 + 537367411.

It is an arithmetic number, because the mean of its divisors is an integer number (537367411).

Almost surely, 2^1074734821 is an apocalyptic number.

It is an amenable number.

1074734821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074734821 is an equidigital number, since it uses as much as digits as its factorization.

1074734821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 1074734821 is about 32783.1484302530. The cubic root of 1074734821 is about 1024.3155679859.

The spelling of 1074734821 in words is "one billion, seventy-four million, seven hundred thirty-four thousand, eight hundred twenty-one".