699725 has 12 divisors (see below), whose sum is σ = 934836. Its totient is φ = 516480.

The previous prime is 699719. The next prime is 699733. The reversal of 699725 is 527996.

It can be written as a sum of positive squares in 6 ways, for example, as 218089 + 481636 = 467^2 + 694^2 .

It is not a de Polignac number, because 699725 - 2⁴ = 699709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 699725.

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 11 ways as a sum of consecutive naturals, for example, 752 + ... + 1401.

It is an arithmetic number, because the mean of its divisors is an integer number (77903).

2⁶⁹⁹⁷²⁵ is an apocalyptic number.

699725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

699725 is a deficient number, since it is larger than the sum of its proper divisors (235111).

699725 is a wasteful number, since it uses less digits than its factorization.

699725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2171 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 699725 is about 836.4956664562. The cubic root of 699725 is about 88.7787713370.

The spelling of 699725 in words is "six hundred ninety-nine thousand, seven hundred twenty-five".