699775 has 12 divisors (see below), whose sum is σ = 906192. Its totient is φ = 535040.

The previous prime is 699767. The next prime is 699791. The reversal of 699775 is 577996.

It is not a de Polignac number, because 699775 - 2³ = 699767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (75516).

2⁶⁹⁹⁷⁷⁵ is an apocalyptic number.

699775 is a deficient number, since it is larger than the sum of its proper divisors (206417).

699775 is a wasteful number, since it uses less digits than its factorization.

699775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1245 counting only the distinct ones).

The product of its digits is 119070, while the sum is 43.

The square root of 699775 is about 836.5255525087. The cubic root of 699775 is about 88.7808858976.

The spelling of 699775 in words is "six hundred ninety-nine thousand, seven hundred seventy-five".