775616 has 14 divisors (see below), whose sum is σ = 1539240. Its totient is φ = 387776.

The previous prime is 775613. The next prime is 775627. The reversal of 775616 is 616577.

775616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5996 + ... + 6123.

2⁷⁷⁵⁶¹⁶ is an apocalyptic number.

It is an amenable number.

775616 is a deficient number, since it is larger than the sum of its proper divisors (763624).

775616 is a wasteful number, since it uses less digits than its factorization.

775616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131 (or 12121 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 775616 is about 880.6906380790. The cubic root of 775616 is about 91.8788575671.

The spelling of 775616 in words is "seven hundred seventy-five thousand, six hundred sixteen".