755744761 has 2 divisors, whose sum is σ = 755744762. Its totient is φ = 755744760.

The previous prime is 755744729. The next prime is 755744771. The reversal of 755744761 is 167447557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715027600 + 40717161 = 26740^2 + 6381^2 .

It is an emirp because it is prime and its reverse (167447557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 755744761 - 2⁵ = 755744729 is a prime.

It is not a weakly prime, because it can be changed into another prime (755744771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377872380 + 377872381.

It is an arithmetic number, because the mean of its divisors is an integer number (377872381).

Almost surely, 2^755744761 is an apocalyptic number.

It is an amenable number.

755744761 is a deficient number, since it is larger than the sum of its proper divisors (1).

755744761 is an equidigital number, since it uses as much as digits as its factorization.

755744761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 823200, while the sum is 46.

The square root of 755744761 is about 27490.8123015672. The cubic root of 755744761 is about 910.8741593969.

The spelling of 755744761 in words is "seven hundred fifty-five million, seven hundred forty-four thousand, seven hundred sixty-one".