747579241 has 2 divisors, whose sum is σ = 747579242. Its totient is φ = 747579240.

The previous prime is 747579193. The next prime is 747579247. The reversal of 747579241 is 142975747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738752400 + 8826841 = 27180^2 + 2971^2 .

It is an emirp because it is prime and its reverse (142975747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747579241 - 2²³ = 739190633 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 747579191 and 747579200.

It is not a weakly prime, because it can be changed into another prime (747579247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373789620 + 373789621.

It is an arithmetic number, because the mean of its divisors is an integer number (373789621).

Almost surely, 2^747579241 is an apocalyptic number.

It is an amenable number.

747579241 is a deficient number, since it is larger than the sum of its proper divisors (1).

747579241 is an equidigital number, since it uses as much as digits as its factorization.

747579241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 46.

The square root of 747579241 is about 27341.8953439589. The cubic root of 747579241 is about 907.5817292642.

The spelling of 747579241 in words is "seven hundred forty-seven million, five hundred seventy-nine thousand, two hundred forty-one".