772641317 has 8 divisors (see below), whose sum is σ = 885033600. Its totient is φ = 660752784.

The previous prime is 772641301. The next prime is 772641341. The reversal of 772641317 is 713146277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 772641317 - 2⁴ = 772641301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772644317) 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 7 ways as a sum of consecutive naturals, for example, 122642 + ... + 128787.

It is an arithmetic number, because the mean of its divisors is an integer number (110629200).

Almost surely, 2^772641317 is an apocalyptic number.

It is an amenable number.

772641317 is a deficient number, since it is larger than the sum of its proper divisors (112392283).

772641317 is a wasteful number, since it uses less digits than its factorization.

772641317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251875.

The product of its digits is 49392, while the sum is 38.

The square root of 772641317 is about 27796.4263350525. The cubic root of 772641317 is about 917.6124755261.

The spelling of 772641317 in words is "seven hundred seventy-two million, six hundred forty-one thousand, three hundred seventeen".