81103702 has 16 divisors (see below), whose sum is σ = 129086352. Its totient is φ = 38085120.

The previous prime is 81103619. The next prime is 81103721. The reversal of 81103702 is 20730118.

It is a congruent number.

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, 15502 + ... + 20062.

It is an arithmetic number, because the mean of its divisors is an integer number (8067897).

Almost surely, 2^81103702 is an apocalyptic number.

81103702 is a deficient number, since it is larger than the sum of its proper divisors (47982650).

81103702 is a wasteful number, since it uses less digits than its factorization.

81103702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 81103702 is about 9005.7593794194. The cubic root of 81103702 is about 432.8594394659.

The spelling of 81103702 in words is "eighty-one million, one hundred three thousand, seven hundred two".