81082702 has 8 divisors (see below), whose sum is σ = 122740200. Its totient is φ = 40169304.

The previous prime is 81082693. The next prime is 81082711. The reversal of 81082702 is 20728018.

It is an interprime number because it is at equal distance from previous prime (81082693) and next prime (81082711).

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

It is a congruent number.

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, 185752 + ... + 186187.

It is an arithmetic number, because the mean of its divisors is an integer number (15342525).

Almost surely, 2^81082702 is an apocalyptic number.

81082702 is a deficient number, since it is larger than the sum of its proper divisors (41657498).

81082702 is a wasteful number, since it uses less digits than its factorization.

81082702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372050.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 81082702 is about 9004.5933833794. The cubic root of 81082702 is about 432.8220764658.

The spelling of 81082702 in words is "eighty-one million, eighty-two thousand, seven hundred two".