775257068 has 24 divisors (see below), whose sum is σ = 1368538080. Its totient is φ = 384261120.

The previous prime is 775257061. The next prime is 775257073. The reversal of 775257068 is 860752577.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (775257061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238478 + ... + 241706.

It is an arithmetic number, because the mean of its divisors is an integer number (57022420).

Almost surely, 2^775257068 is an apocalyptic number.

It is an amenable number.

775257068 is a deficient number, since it is larger than the sum of its proper divisors (593281012).

775257068 is a wasteful number, since it uses less digits than its factorization.

775257068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737 (or 3735 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 47.

The square root of 775257068 is about 27843.4385089198. The cubic root of 775257068 is about 918.6468244667.

The spelling of 775257068 in words is "seven hundred seventy-five million, two hundred fifty-seven thousand, sixty-eight".