775481 has 8 divisors (see below), whose sum is σ = 893760. Its totient is φ = 659088.

The previous prime is 775477. The next prime is 775507. The reversal of 775481 is 184577.

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 775481 - 2² = 775477 is a prime.

It is a super-2 number, since 2×775481² = 1202741562722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (775441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

2⁷⁷⁵⁴⁸¹ is an apocalyptic number.

It is an amenable number.

775481 is a deficient number, since it is larger than the sum of its proper divisors (118279).

775481 is a wasteful number, since it uses less digits than its factorization.

775481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its digits is 7840, while the sum is 32.

The square root of 775481 is about 880.6139903499. The cubic root of 775481 is about 91.8735265934.

The spelling of 775481 in words is "seven hundred seventy-five thousand, four hundred eighty-one".