82698725 has 12 divisors (see below), whose sum is σ = 103239300. Its totient is φ = 65714960.

The previous prime is 82698713. The next prime is 82698751. The reversal of 82698725 is 52789628.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 71199844 + 11498881 = 8438^2 + 3391^2 .

It is not a de Polignac number, because 82698725 - 2¹⁶ = 82633189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82698725.

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, 554951 + ... + 555099.

It is an arithmetic number, because the mean of its divisors is an integer number (8603275).

Almost surely, 2^82698725 is an apocalyptic number.

It is an amenable number.

82698725 is a deficient number, since it is larger than the sum of its proper divisors (20540575).

82698725 is an frugal number, since it uses more digits than its factorization.

82698725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 154 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 82698725 is about 9093.8839337216. The cubic root of 82698725 is about 435.6786429937.

The spelling of 82698725 in words is "eighty-two million, six hundred ninety-eight thousand, seven hundred twenty-five".