748391913 has 16 divisors (see below), whose sum is σ = 1111379200. Its totient is φ = 497735280.

The previous prime is 748391911. The next prime is 748391927. The reversal of 748391913 is 319193847.

It is not a de Polignac number, because 748391913 - 2¹ = 748391911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748391911) 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 in 15 ways as a sum of consecutive naturals, for example, 21553 + ... + 44286.

It is an arithmetic number, because the mean of its divisors is an integer number (69461200).

Almost surely, 2^748391913 is an apocalyptic number.

It is an amenable number.

748391913 is a deficient number, since it is larger than the sum of its proper divisors (362987287).

748391913 is a wasteful number, since it uses less digits than its factorization.

748391913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66269 (or 66263 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 748391913 is about 27356.7526033336. The cubic root of 748391913 is about 907.9104788770.

The spelling of 748391913 in words is "seven hundred forty-eight million, three hundred ninety-one thousand, nine hundred thirteen".