755739697 has 2 divisors, whose sum is σ = 755739698. Its totient is φ = 755739696.

The previous prime is 755739679. The next prime is 755739767. The reversal of 755739697 is 796937557.

It is a happy number.

Together with previous prime (755739679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507330576 + 248409121 = 22524^2 + 15761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755739697 is a prime.

It is a super-2 number, since 2×755739697² = 1142284979243303618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (755739637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377869848 + 377869849.

It is an arithmetic number, because the mean of its divisors is an integer number (377869849).

Almost surely, 2^755739697 is an apocalyptic number.

It is an amenable number.

755739697 is a deficient number, since it is larger than the sum of its proper divisors (1).

755739697 is an equidigital number, since it uses as much as digits as its factorization.

755739697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12502350, while the sum is 58.

The square root of 755739697 is about 27490.7201979141. The cubic root of 755739697 is about 910.8721249018.

The spelling of 755739697 in words is "seven hundred fifty-five million, seven hundred thirty-nine thousand, six hundred ninety-seven".