772741331 has 2 divisors, whose sum is σ = 772741332. Its totient is φ = 772741330.

The previous prime is 772741297. The next prime is 772741339. The reversal of 772741331 is 133147277.

772741331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (133147277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 772741331 - 2¹⁰ = 772740307 is a prime.

It is a super-2 number, since 2×772741331² = 1194258329271303122, which contains 22 as substring.

It is equal to p_39815171 and since 772741331 and 39815171 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 772741291 and 772741300.

It is not a weakly prime, because it can be changed into another prime (772741339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386370665 + 386370666.

It is an arithmetic number, because the mean of its divisors is an integer number (386370666).

Almost surely, 2^772741331 is an apocalyptic number.

772741331 is a deficient number, since it is larger than the sum of its proper divisors (1).

772741331 is an equidigital number, since it uses as much as digits as its factorization.

772741331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 35.

The square root of 772741331 is about 27798.2253210524. The cubic root of 772741331 is about 917.6520670469.

The spelling of 772741331 in words is "seven hundred seventy-two million, seven hundred forty-one thousand, three hundred thirty-one".