747872443 has 2 divisors, whose sum is σ = 747872444. Its totient is φ = 747872442.

The previous prime is 747872417. The next prime is 747872501. The reversal of 747872443 is 344278747.

747872443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747872443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 747872393 and 747872402.

It is not a weakly prime, because it can be changed into another prime (747872743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373936221 + 373936222.

It is an arithmetic number, because the mean of its divisors is an integer number (373936222).

Almost surely, 2^747872443 is an apocalyptic number.

747872443 is a deficient number, since it is larger than the sum of its proper divisors (1).

747872443 is an equidigital number, since it uses as much as digits as its factorization.

747872443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1053696, while the sum is 46.

The square root of 747872443 is about 27347.2565900128. The cubic root of 747872443 is about 907.7003655158.

The spelling of 747872443 in words is "seven hundred forty-seven million, eight hundred seventy-two thousand, four hundred forty-three".