87682073 has 8 divisors (see below), whose sum is σ = 92948328. Its totient is φ = 82427904.

The previous prime is 87682069. The next prime is 87682079. The reversal of 87682073 is 37028678.

It can be written as a sum of positive squares in 4 ways, for example, as 41822089 + 45859984 = 6467^2 + 6772^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 87682073 - 2² = 87682069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87682073.

It is not an unprimeable number, because it can be changed into a prime (87682079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15065 + ... + 20057.

It is an arithmetic number, because the mean of its divisors is an integer number (11618541).

Almost surely, 2^87682073 is an apocalyptic number.

It is an amenable number.

87682073 is a deficient number, since it is larger than the sum of its proper divisors (5266255).

87682073 is a wasteful number, since it uses less digits than its factorization.

87682073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 87682073 is about 9363.8706206355. The cubic root of 87682073 is about 444.2597177155.

The spelling of 87682073 in words is "eighty-seven million, six hundred eighty-two thousand, seventy-three".