772491347 has 2 divisors, whose sum is σ = 772491348. Its totient is φ = 772491346.

The previous prime is 772491337. The next prime is 772491403. The reversal of 772491347 is 743194277.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 772491347 - 2⁴ = 772491331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 772491298 and 772491307.

It is not a weakly prime, because it can be changed into another prime (772491337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386245673 + 386245674.

It is an arithmetic number, because the mean of its divisors is an integer number (386245674).

Almost surely, 2^772491347 is an apocalyptic number.

772491347 is a deficient number, since it is larger than the sum of its proper divisors (1).

772491347 is an equidigital number, since it uses as much as digits as its factorization.

772491347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 44.

The square root of 772491347 is about 27793.7285551975. The cubic root of 772491347 is about 917.5531020304.

The spelling of 772491347 in words is "seven hundred seventy-two million, four hundred ninety-one thousand, three hundred forty-seven".