772055393 has 8 divisors (see below), whose sum is σ = 779730600. Its totient is φ = 764391168.

The previous prime is 772055377. The next prime is 772055407. The reversal of 772055393 is 393550277.

It can be written as a sum of positive squares in 4 ways, for example, as 270832849 + 501222544 = 16457^2 + 22388^2 .

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 772055393 - 2⁴ = 772055377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 772055393.

It is not an unprimeable number, because it can be changed into a prime (772055303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248393 + ... + 251481.

It is an arithmetic number, because the mean of its divisors is an integer number (97466325).

Almost surely, 2^772055393 is an apocalyptic number.

It is an amenable number.

772055393 is a deficient number, since it is larger than the sum of its proper divisors (7675207).

772055393 is a wasteful number, since it uses less digits than its factorization.

772055393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5491.

The product of its (nonzero) digits is 198450, while the sum is 41.

The square root of 772055393 is about 27785.8847798662. The cubic root of 772055393 is about 917.3804631098.

The spelling of 772055393 in words is "seven hundred seventy-two million, fifty-five thousand, three hundred ninety-three".