775480 has 16 divisors (see below), whose sum is σ = 1744920. Its totient is φ = 310176.

The previous prime is 775477. The next prime is 775507. The reversal of 775480 is 84577.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9654 + ... + 9733.

2⁷⁷⁵⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

775480 is an abundant number, since it is smaller than the sum of its proper divisors (969440).

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

775480 is a wasteful number, since it uses less digits than its factorization.

775480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19398 (or 19394 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 775480 is about 880.6134225641. The cubic root of 775480 is about 91.8734871024.

The spelling of 775480 in words is "seven hundred seventy-five thousand, four hundred eighty".