748405131 has 16 divisors (see below), whose sum is σ = 1031946240. Its totient is φ = 481959360.

The previous prime is 748405129. The next prime is 748405139. The reversal of 748405131 is 131504847.

748405131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 748405131 - 2¹ = 748405129 is a prime.

It is a super-2 number, since 2×748405131² = 1120220480214254322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 748405092 and 748405101.

It is not an unprimeable number, because it can be changed into a prime (748405139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45846 + ... + 59988.

It is an arithmetic number, because the mean of its divisors is an integer number (64496640).

Almost surely, 2^748405131 is an apocalyptic number.

748405131 is a deficient number, since it is larger than the sum of its proper divisors (283541109).

748405131 is a wasteful number, since it uses less digits than its factorization.

748405131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 748405131 is about 27356.9941879586. The cubic root of 748405131 is about 907.9158239775.

Adding to 748405131 its reverse (131504847), we get a palindrome (879909978).

The spelling of 748405131 in words is "seven hundred forty-eight million, four hundred five thousand, one hundred thirty-one".