748126731 has 8 divisors (see below), whose sum is σ = 1088184384. Its totient is φ = 453410120.

The previous prime is 748126697. The next prime is 748126733. The reversal of 748126731 is 137621847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 748126731 - 2¹¹ = 748124683 is a prime.

It is a super-2 number, since 2×748126731² = 1119387211273492722, 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 748126731.

It is not an unprimeable number, because it can be changed into a prime (748126733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11335221 + ... + 11335286.

It is an arithmetic number, because the mean of its divisors is an integer number (136023048).

Almost surely, 2^748126731 is an apocalyptic number.

748126731 is a deficient number, since it is larger than the sum of its proper divisors (340057653).

748126731 is a wasteful number, since it uses less digits than its factorization.

748126731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22670521.

The product of its digits is 56448, while the sum is 39.

The square root of 748126731 is about 27351.9054363677. The cubic root of 748126731 is about 907.8032311659.

The spelling of 748126731 in words is "seven hundred forty-eight million, one hundred twenty-six thousand, seven hundred thirty-one".