747750013 has 4 divisors (see below), whose sum is σ = 749219580. Its totient is φ = 746280448.

The previous prime is 747750001. The next prime is 747750019. The reversal of 747750013 is 310057747.

747750013 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: 310057747 = 17 ⋅18238691.

It can be written as a sum of positive squares in 2 ways, for example, as 349428249 + 398321764 = 18693^2 + 19958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747750013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747750019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734020 + ... + 735037.

It is an arithmetic number, because the mean of its divisors is an integer number (187304895).

Almost surely, 2^747750013 is an apocalyptic number.

It is an amenable number.

747750013 is a deficient number, since it is larger than the sum of its proper divisors (1469567).

747750013 is a wasteful number, since it uses less digits than its factorization.

747750013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469566.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 747750013 is about 27345.0180654539. The cubic root of 747750013 is about 907.6508313020.

The spelling of 747750013 in words is "seven hundred forty-seven million, seven hundred fifty thousand, thirteen".