749120311 has 2 divisors, whose sum is σ = 749120312. Its totient is φ = 749120310.

The previous prime is 749120299. The next prime is 749120369. The reversal of 749120311 is 113021947.

It is a weak prime.

It is an emirp because it is prime and its reverse (113021947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749120311 - 2⁹ = 749119799 is a prime.

It is a super-2 number, since 2×749120311² = 1122362480705473442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749120311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749120381) 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, 374560155 + 374560156.

It is an arithmetic number, because the mean of its divisors is an integer number (374560156).

Almost surely, 2^749120311 is an apocalyptic number.

749120311 is a deficient number, since it is larger than the sum of its proper divisors (1).

749120311 is an equidigital number, since it uses as much as digits as its factorization.

749120311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 749120311 is about 27370.0623126803. The cubic root of 749120311 is about 908.2049349993.

The spelling of 749120311 in words is "seven hundred forty-nine million, one hundred twenty thousand, three hundred eleven".