699770725 has 12 divisors (see below), whose sum is σ = 897637860. Its totient is φ = 540512000.

The previous prime is 699770663. The next prime is 699770749. The reversal of 699770725 is 527077996.

It can be written as a sum of positive squares in 6 ways, for example, as 66292164 + 633478561 = 8142^2 + 25169^2 .

It is not a de Polignac number, because 699770725 - 2²¹ = 697673573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481876 + ... + 483325.

It is an arithmetic number, because the mean of its divisors is an integer number (74803155).

Almost surely, 2^699770725 is an apocalyptic number.

It is an amenable number.

699770725 is a deficient number, since it is larger than the sum of its proper divisors (197867135).

699770725 is a wasteful number, since it uses less digits than its factorization.

699770725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965240 (or 965235 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 52.

The square root of 699770725 is about 26453.1798655663. The cubic root of 699770725 is about 887.8070510664.

The spelling of 699770725 in words is "six hundred ninety-nine million, seven hundred seventy thousand, seven hundred twenty-five".