748173511 has 2 divisors, whose sum is σ = 748173512. Its totient is φ = 748173510.

The previous prime is 748173421. The next prime is 748173557. The reversal of 748173511 is 115371847.

It is a strong prime.

It is an emirp because it is prime and its reverse (115371847) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748173511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748173911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374086755 + 374086756.

It is an arithmetic number, because the mean of its divisors is an integer number (374086756).

Almost surely, 2^748173511 is an apocalyptic number.

748173511 is a deficient number, since it is larger than the sum of its proper divisors (1).

748173511 is an equidigital number, since it uses as much as digits as its factorization.

748173511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 37.

The square root of 748173511 is about 27352.7605736606. The cubic root of 748173511 is about 907.8221522694.

The spelling of 748173511 in words is "seven hundred forty-eight million, one hundred seventy-three thousand, five hundred eleven".