749155597 has 2 divisors, whose sum is σ = 749155598. Its totient is φ = 749155596.

The previous prime is 749155591. The next prime is 749155621. The reversal of 749155597 is 795551947.

749155597 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., 700449156 + 48706441 = 26466^2 + 6979^2 .

It is a cyclic number.

It is not a de Polignac number, because 749155597 - 2⁷ = 749155469 is a prime.

It is a super-2 number, since 2×749155597² = 1122468217032852818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749155591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374577798 + 374577799.

It is an arithmetic number, because the mean of its divisors is an integer number (374577799).

Almost surely, 2^749155597 is an apocalyptic number.

It is an amenable number.

749155597 is a deficient number, since it is larger than the sum of its proper divisors (1).

749155597 is an equidigital number, since it uses as much as digits as its factorization.

749155597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1984500, while the sum is 52.

The square root of 749155597 is about 27370.7069145099. The cubic root of 749155597 is about 908.2191945763.

The spelling of 749155597 in words is "seven hundred forty-nine million, one hundred fifty-five thousand, five hundred ninety-seven".