749898329 has 2 divisors, whose sum is σ = 749898330. Its totient is φ = 749898328.

The previous prime is 749898313. The next prime is 749898341. The reversal of 749898329 is 923898947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377408329 + 372490000 = 19427^2 + 19300^2 .

It is an emirp because it is prime and its reverse (923898947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749898329 - 2⁴ = 749898313 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (749898829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374949164 + 374949165.

It is an arithmetic number, because the mean of its divisors is an integer number (374949165).

Almost surely, 2^749898329 is an apocalyptic number.

It is an amenable number.

749898329 is a deficient number, since it is larger than the sum of its proper divisors (1).

749898329 is an equidigital number, since it uses as much as digits as its factorization.

749898329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 59.

The square root of 749898329 is about 27384.2715623403. The cubic root of 749898329 is about 908.5192393457.

The spelling of 749898329 in words is "seven hundred forty-nine million, eight hundred ninety-eight thousand, three hundred twenty-nine".