740776549 has 2 divisors, whose sum is σ = 740776550. Its totient is φ = 740776548.

The previous prime is 740776537. The next prime is 740776607. The reversal of 740776549 is 945677047.

740776549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644245924 + 96530625 = 25382^2 + 9825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740776549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740774549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370388274 + 370388275.

It is an arithmetic number, because the mean of its divisors is an integer number (370388275).

Almost surely, 2^740776549 is an apocalyptic number.

It is an amenable number.

740776549 is a deficient number, since it is larger than the sum of its proper divisors (1).

740776549 is an equidigital number, since it uses as much as digits as its factorization.

740776549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 740776549 is about 27217.2105293691. The cubic root of 740776549 is about 904.8204517488.

The spelling of 740776549 in words is "seven hundred forty million, seven hundred seventy-six thousand, five hundred forty-nine".