747025789 has 2 divisors, whose sum is σ = 747025790. Its totient is φ = 747025788.

The previous prime is 747025787. The next prime is 747025801. The reversal of 747025789 is 987520747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405700164 + 341325625 = 20142^2 + 18475^2 .

It is a cyclic number.

It is not a de Polignac number, because 747025789 - 2¹ = 747025787 is a prime.

Together with 747025787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747025787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373512894 + 373512895.

It is an arithmetic number, because the mean of its divisors is an integer number (373512895).

Almost surely, 2^747025789 is an apocalyptic number.

It is an amenable number.

747025789 is a deficient number, since it is larger than the sum of its proper divisors (1).

747025789 is an equidigital number, since it uses as much as digits as its factorization.

747025789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 49.

The square root of 747025789 is about 27331.7725184445. The cubic root of 747025789 is about 907.3577053291.

The spelling of 747025789 in words is "seven hundred forty-seven million, twenty-five thousand, seven hundred eighty-nine".