775140 has 24 divisors (see below), whose sum is σ = 2170560. Its totient is φ = 206688.

The previous prime is 775121. The next prime is 775147. The reversal of 775140 is 41577.

It is a self number, because there is not a number n which added to its sum of digits gives 775140.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 775140.

It is not an unprimeable number, because it can be changed into a prime (775147) by changing a digit.

775140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6400 + ... + 6519.

It is an arithmetic number, because the mean of its divisors is an integer number (90440).

2⁷⁷⁵¹⁴⁰ is an apocalyptic number.

It is an amenable number.

775140 is an abundant number, since it is smaller than the sum of its proper divisors (1395420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

775140 is a wasteful number, since it uses less digits than its factorization.

775140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12931 (or 12929 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 775140 is about 880.4203541491. The cubic root of 775140 is about 91.8600581930.

The spelling of 775140 in words is "seven hundred seventy-five thousand, one hundred forty".