772740241 has 40 divisors (see below), whose sum is σ = 1022701120. Its totient is φ = 578775456.

The previous prime is 772740239. The next prime is 772740247. The reversal of 772740241 is 142047277.

It is a happy number.

It is not a de Polignac number, because 772740241 - 2¹ = 772740239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 772740197 and 772740206.

It is not an unprimeable number, because it can be changed into a prime (772740247) 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 in 39 ways as a sum of consecutive naturals, for example, 592396 + ... + 593698.

It is an arithmetic number, because the mean of its divisors is an integer number (25567528).

Almost surely, 2^772740241 is an apocalyptic number.

It is an amenable number.

772740241 is a deficient number, since it is larger than the sum of its proper divisors (249960879).

772740241 is a wasteful number, since it uses less digits than its factorization.

772740241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 772740241 is about 27798.2057154774. The cubic root of 772740241 is about 917.6516355782.

The spelling of 772740241 in words is "seven hundred seventy-two million, seven hundred forty thousand, two hundred forty-one".