749268623 has 2 divisors, whose sum is σ = 749268624. Its totient is φ = 749268622.

The previous prime is 749268607. The next prime is 749268721. The reversal of 749268623 is 326862947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749268623 - 2⁴ = 749268607 is a prime.

It is a super-2 number, since 2×749268623² = 1122806938824632258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749268323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374634311 + 374634312.

It is an arithmetic number, because the mean of its divisors is an integer number (374634312).

Almost surely, 2^749268623 is an apocalyptic number.

749268623 is a deficient number, since it is larger than the sum of its proper divisors (1).

749268623 is an equidigital number, since it uses as much as digits as its factorization.

749268623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 749268623 is about 27372.7715622660. The cubic root of 749268623 is about 908.2648669845.

The spelling of 749268623 in words is "seven hundred forty-nine million, two hundred sixty-eight thousand, six hundred twenty-three".