748356731 has 2 divisors, whose sum is σ = 748356732. Its totient is φ = 748356730.

The previous prime is 748356703. The next prime is 748356733. The reversal of 748356731 is 137653847.

748356731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (137653847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 748356731 - 2¹⁸ = 748094587 is a prime.

It is a super-2 number, since 2×748356731² = 1120075593666012722, which contains 22 as substring.

Together with 748356733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (748356733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374178365 + 374178366.

It is an arithmetic number, because the mean of its divisors is an integer number (374178366).

Almost surely, 2^748356731 is an apocalyptic number.

748356731 is a deficient number, since it is larger than the sum of its proper divisors (1).

748356731 is an equidigital number, since it uses as much as digits as its factorization.

748356731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 44.

The square root of 748356731 is about 27356.1095735486. The cubic root of 748356731 is about 907.8962516579.

The spelling of 748356731 in words is "seven hundred forty-eight million, three hundred fifty-six thousand, seven hundred thirty-one".