72003682 has 8 divisors (see below), whose sum is σ = 109119276. Its totient is φ = 35630592.

The previous prime is 72003661. The next prime is 72003691. The reversal of 72003682 is 28630027.

It can be written as a sum of positive squares in 2 ways, for example, as 66438801 + 5564881 = 8151^2 + 2359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72003682.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185383 + ... + 185770.

Almost surely, 2^72003682 is an apocalyptic number.

72003682 is a deficient number, since it is larger than the sum of its proper divisors (37115594).

72003682 is a wasteful number, since it uses less digits than its factorization.

72003682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371252.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 72003682 is about 8485.4983353955. The cubic root of 72003682 is about 416.0238560345.

The spelling of 72003682 in words is "seventy-two million, three thousand, six hundred eighty-two".