748490149 has 12 divisors (see below), whose sum is σ = 824067468. Its totient is φ = 679331840.

The previous prime is 748490117. The next prime is 748490189. The reversal of 748490149 is 941094847.

748490149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 498628900 + 249861249 = 22330^2 + 15807^2 .

It is not a de Polignac number, because 748490149 - 2⁵ = 748490117 is a prime.

It is a super-3 number, since 3×748490149³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 748490099 and 748490108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748490189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74277 + ... + 83749.

It is an arithmetic number, because the mean of its divisors is an integer number (68672289).

Almost surely, 2^748490149 is an apocalyptic number.

It is an amenable number.

748490149 is a deficient number, since it is larger than the sum of its proper divisors (75577319).

748490149 is a wasteful number, since it uses less digits than its factorization.

748490149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148 (or 10137 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 748490149 is about 27358.5480060620. The cubic root of 748490149 is about 907.9502020889.

The spelling of 748490149 in words is "seven hundred forty-eight million, four hundred ninety thousand, one hundred forty-nine".