740666753 has 2 divisors, whose sum is σ = 740666754. Its totient is φ = 740666752.

The previous prime is 740666747. The next prime is 740666767. The reversal of 740666753 is 357666047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678446209 + 62220544 = 26047^2 + 7888^2 .

It is an emirp because it is prime and its reverse (357666047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 740666753 - 2¹⁴ = 740650369 is a prime.

It is not a weakly prime, because it can be changed into another prime (740666713) 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, 370333376 + 370333377.

It is an arithmetic number, because the mean of its divisors is an integer number (370333377).

Almost surely, 2^740666753 is an apocalyptic number.

It is an amenable number.

740666753 is a deficient number, since it is larger than the sum of its proper divisors (1).

740666753 is an equidigital number, since it uses as much as digits as its factorization.

740666753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 740666753 is about 27215.1934220575. The cubic root of 740666753 is about 904.7757461512.

The spelling of 740666753 in words is "seven hundred forty million, six hundred sixty-six thousand, seven hundred fifty-three".