19725082 has 16 divisors (see below), whose sum is σ = 32388552. Its totient is φ = 8953920.

The previous prime is 19725077. The next prime is 19725091. The reversal of 19725082 is 28052791.

It can be written as a sum of positive squares in 4 ways, for example, as 2758921 + 16966161 = 1661^2 + 4119^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4633 + ... + 7804.

Almost surely, 2^19725082 is an apocalyptic number.

19725082 is a deficient number, since it is larger than the sum of its proper divisors (12663470).

19725082 is a wasteful number, since it uses less digits than its factorization.

19725082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12513.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 19725082 is about 4441.2928297963. The cubic root of 19725082 is about 270.1922818716.

The spelling of 19725082 in words is "nineteen million, seven hundred twenty-five thousand, eighty-two".