1074729449 has 2 divisors, whose sum is σ = 1074729450. Its totient is φ = 1074729448.

The previous prime is 1074729431. The next prime is 1074729497. The reversal of 1074729449 is 9449274701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004890000 + 69839449 = 31700^2 + 8357^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074729449 - 2²⁸ = 806293993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1074726449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537364724 + 537364725.

It is an arithmetic number, because the mean of its divisors is an integer number (537364725).

Almost surely, 2^1074729449 is an apocalyptic number.

It is an amenable number.

1074729449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074729449 is an equidigital number, since it uses as much as digits as its factorization.

1074729449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 1074729449 is about 32783.0664978126. The cubic root of 1074729449 is about 1024.3138613223.

The spelling of 1074729449 in words is "one billion, seventy-four million, seven hundred twenty-nine thousand, four hundred forty-nine".