749010397 has 2 divisors, whose sum is σ = 749010398. Its totient is φ = 749010396.

The previous prime is 749010391. The next prime is 749010401. The reversal of 749010397 is 793010947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 721405881 + 27604516 = 26859^2 + 5254^2 .

It is an emirp because it is prime and its reverse (793010947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749010397 - 2³ = 749010389 is a prime.

It is a super-2 number, since 2×749010397² = 1122033149628195218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749010391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374505198 + 374505199.

It is an arithmetic number, because the mean of its divisors is an integer number (374505199).

Almost surely, 2^749010397 is an apocalyptic number.

It is an amenable number.

749010397 is a deficient number, since it is larger than the sum of its proper divisors (1).

749010397 is an equidigital number, since it uses as much as digits as its factorization.

749010397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 749010397 is about 27368.0543152048. The cubic root of 749010397 is about 908.1605143109.

The spelling of 749010397 in words is "seven hundred forty-nine million, ten thousand, three hundred ninety-seven".