748146745 has 4 divisors (see below), whose sum is σ = 897776100. Its totient is φ = 598517392.

The previous prime is 748146739. The next prime is 748146757. The reversal of 748146745 is 547641847.

748146745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547641847 = 37 ⋅14801131.

It can be written as a sum of positive squares in 2 ways, for example, as 386043904 + 362102841 = 19648^2 + 19029^2 .

It is a cyclic number.

It is not a de Polignac number, because 748146745 - 2⁷ = 748146617 is a prime.

It is a super-3 number, since 3×748146745³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 748146695 and 748146704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74814670 + ... + 74814679.

It is an arithmetic number, because the mean of its divisors is an integer number (224444025).

Almost surely, 2^748146745 is an apocalyptic number.

It is an amenable number.

748146745 is a deficient number, since it is larger than the sum of its proper divisors (149629355).

748146745 is a wasteful number, since it uses less digits than its factorization.

748146745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149629354.

The product of its digits is 752640, while the sum is 46.

The square root of 748146745 is about 27352.2712950863. The cubic root of 748146745 is about 907.8113263237.

The spelling of 748146745 in words is "seven hundred forty-eight million, one hundred forty-six thousand, seven hundred forty-five".