747791147 has 2 divisors, whose sum is σ = 747791148. Its totient is φ = 747791146.

The previous prime is 747791141. The next prime is 747791237. The reversal of 747791147 is 741197747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 747791147 - 2¹⁰ = 747790123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (747791141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373895573 + 373895574.

It is an arithmetic number, because the mean of its divisors is an integer number (373895574).

Almost surely, 2^747791147 is an apocalyptic number.

747791147 is a deficient number, since it is larger than the sum of its proper divisors (1).

747791147 is an equidigital number, since it uses as much as digits as its factorization.

747791147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345744, while the sum is 47.

The square root of 747791147 is about 27345.7701848019. The cubic root of 747791147 is about 907.6674743976.

The spelling of 747791147 in words is "seven hundred forty-seven million, seven hundred ninety-one thousand, one hundred forty-seven".