747189027 has 24 divisors (see below), whose sum is σ = 1189332144. Its totient is φ = 449112384.

The previous prime is 747189013. The next prime is 747189073. The reversal of 747189027 is 720981747.

It is a happy number.

It is not a de Polignac number, because 747189027 - 2⁷ = 747188899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (747189077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69228 + ... + 79289.

It is an arithmetic number, because the mean of its divisors is an integer number (49555506).

Almost surely, 2^747189027 is an apocalyptic number.

747189027 is a deficient number, since it is larger than the sum of its proper divisors (442143117).

747189027 is a wasteful number, since it uses less digits than its factorization.

747189027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148579 (or 148576 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 747189027 is about 27334.7585868249. The cubic root of 747189027 is about 907.4237916106.

The spelling of 747189027 in words is "seven hundred forty-seven million, one hundred eighty-nine thousand, twenty-seven".