775401 has 8 divisors (see below), whose sum is σ = 1127904. Its totient is φ = 469920.

The previous prime is 775393. The next prime is 775417. The reversal of 775401 is 104577.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 775401 - 2³ = 775393 is a prime.

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, 11716 + ... + 11781.

It is an arithmetic number, because the mean of its divisors is an integer number (140988).

2⁷⁷⁵⁴⁰¹ is an apocalyptic number.

It is an amenable number.

775401 is a deficient number, since it is larger than the sum of its proper divisors (352503).

775401 is a wasteful number, since it uses less digits than its factorization.

775401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23511.

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

The square root of 775401 is about 880.5685663252. The cubic root of 775401 is about 91.8703672059.

Adding to 775401 its reverse (104577), we get a palindrome (879978).

It can be divided in two parts, 775 and 401, that added together give a triangular number (1176 = T₄₈).

The spelling of 775401 in words is "seven hundred seventy-five thousand, four hundred one".