730772291 has 2 divisors, whose sum is σ = 730772292. Its totient is φ = 730772290.

The previous prime is 730772279. The next prime is 730772293. The reversal of 730772291 is 192277037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 730772291 - 2¹⁰ = 730771267 is a prime.

It is a Sophie Germain prime.

Together with 730772293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (730772293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365386145 + 365386146.

It is an arithmetic number, because the mean of its divisors is an integer number (365386146).

Almost surely, 2^730772291 is an apocalyptic number.

730772291 is a deficient number, since it is larger than the sum of its proper divisors (1).

730772291 is an equidigital number, since it uses as much as digits as its factorization.

730772291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 730772291 is about 27032.8002804001. The cubic root of 730772291 is about 900.7287476196.

The spelling of 730772291 in words is "seven hundred thirty million, seven hundred seventy-two thousand, two hundred ninety-one".