749697271 has 2 divisors, whose sum is σ = 749697272. Its totient is φ = 749697270.

The previous prime is 749697227. The next prime is 749697301. The reversal of 749697271 is 172796947.

It is a strong prime.

It is an emirp because it is prime and its reverse (172796947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749697271 - 2²³ = 741308663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749667271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374848635 + 374848636.

It is an arithmetic number, because the mean of its divisors is an integer number (374848636).

Almost surely, 2^749697271 is an apocalyptic number.

749697271 is a deficient number, since it is larger than the sum of its proper divisors (1).

749697271 is an equidigital number, since it uses as much as digits as its factorization.

749697271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1333584, while the sum is 52.

The square root of 749697271 is about 27380.6002673426. The cubic root of 749697271 is about 908.4380366095.

The spelling of 749697271 in words is "seven hundred forty-nine million, six hundred ninety-seven thousand, two hundred seventy-one".