791148073 has 2 divisors, whose sum is σ = 791148074. Its totient is φ = 791148072.

The previous prime is 791148053. The next prime is 791148161. The reversal of 791148073 is 370841197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692900329 + 98247744 = 26323^2 + 9912^2 .

It is a cyclic number.

It is not a de Polignac number, because 791148073 - 2²⁹ = 254277161 is a prime.

It is a super-2 number, since 2×791148073² = 1251830546823226658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (791148053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395574036 + 395574037.

It is an arithmetic number, because the mean of its divisors is an integer number (395574037).

Almost surely, 2^791148073 is an apocalyptic number.

It is an amenable number.

791148073 is a deficient number, since it is larger than the sum of its proper divisors (1).

791148073 is an equidigital number, since it uses as much as digits as its factorization.

791148073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 791148073 is about 28127.3545325542. The cubic root of 791148073 is about 924.8811429459.

The spelling of 791148073 in words is "seven hundred ninety-one million, one hundred forty-eight thousand, seventy-three".