772597241 has 4 divisors (see below), whose sum is σ = 832027812. Its totient is φ = 713166672.

The previous prime is 772597219. The next prime is 772597279. The reversal of 772597241 is 142795277.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 224850025 + 547747216 = 14995^2 + 23404^2 .

It is a cyclic number.

It is not a de Polignac number, because 772597241 - 2¹⁴ = 772580857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 772597192 and 772597201.

It is not an unprimeable number, because it can be changed into a prime (772590241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29715266 + ... + 29715291.

It is an arithmetic number, because the mean of its divisors is an integer number (208006953).

Almost surely, 2^772597241 is an apocalyptic number.

It is an amenable number.

772597241 is a deficient number, since it is larger than the sum of its proper divisors (59430571).

772597241 is a wasteful number, since it uses less digits than its factorization.

772597241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59430570.

The product of its digits is 246960, while the sum is 44.

The square root of 772597241 is about 27795.6334880139. The cubic root of 772597241 is about 917.5950265254.

The spelling of 772597241 in words is "seven hundred seventy-two million, five hundred ninety-seven thousand, two hundred forty-one".