730772279 has 2 divisors, whose sum is σ = 730772280. Its totient is φ = 730772278.

The previous prime is 730772239. The next prime is 730772291. The reversal of 730772279 is 972277037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 730772279 - 2²⁰ = 729723703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730772239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365386139 + 365386140.

It is an arithmetic number, because the mean of its divisors is an integer number (365386140).

Almost surely, 2^730772279 is an apocalyptic number.

730772279 is a deficient number, since it is larger than the sum of its proper divisors (1).

730772279 is an equidigital number, since it uses as much as digits as its factorization.

730772279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259308, while the sum is 44.

The square root of 730772279 is about 27032.8000584475. The cubic root of 730772279 is about 900.7287426893.

The spelling of 730772279 in words is "seven hundred thirty million, seven hundred seventy-two thousand, two hundred seventy-nine".