747038489 has 4 divisors (see below), whose sum is σ = 747233124. Its totient is φ = 746843856.

The previous prime is 747038443. The next prime is 747038519. The reversal of 747038489 is 984830747.

747038489 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: 984830747 = 13619 ⋅72313.

It can be written as a sum of positive squares in 2 ways, for example, as 543262864 + 203775625 = 23308^2 + 14275^2 .

It is a cyclic number.

It is not a de Polignac number, because 747038489 - 2²⁸ = 478603033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (747038389) 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, 91442 + ... + 99275.

It is an arithmetic number, because the mean of its divisors is an integer number (186808281).

Almost surely, 2^747038489 is an apocalyptic number.

It is an amenable number.

747038489 is a deficient number, since it is larger than the sum of its proper divisors (194635).

747038489 is a wasteful number, since it uses less digits than its factorization.

747038489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194634.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 747038489 is about 27332.0048477970. The cubic root of 747038489 is about 907.3628472210.

The spelling of 747038489 in words is "seven hundred forty-seven million, thirty-eight thousand, four hundred eighty-nine".