749823497 has 2 divisors, whose sum is σ = 749823498. Its totient is φ = 749823496.

The previous prime is 749823479. The next prime is 749823517. The reversal of 749823497 is 794328947.

Together with previous prime (749823479) 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., 393784336 + 356039161 = 19844^2 + 18869^2 .

It is a cyclic number.

It is not a de Polignac number, because 749823497 - 2¹⁸ = 749561353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (749823427) 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, 374911748 + 374911749.

It is an arithmetic number, because the mean of its divisors is an integer number (374911749).

Almost surely, 2^749823497 is an apocalyptic number.

It is an amenable number.

749823497 is a deficient number, since it is larger than the sum of its proper divisors (1).

749823497 is an equidigital number, since it uses as much as digits as its factorization.

749823497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The square root of 749823497 is about 27382.9051964907. The cubic root of 749823497 is about 908.4890181052.

The spelling of 749823497 in words is "seven hundred forty-nine million, eight hundred twenty-three thousand, four hundred ninety-seven".