81703342 has 8 divisors (see below), whose sum is σ = 140062896. Its totient is φ = 35015712.

The previous prime is 81703333. The next prime is 81703367. The reversal of 81703342 is 24330718.

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 81703342.

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, 2917963 + ... + 2917990.

It is an arithmetic number, because the mean of its divisors is an integer number (17507862).

Almost surely, 2^81703342 is an apocalyptic number.

81703342 is a deficient number, since it is larger than the sum of its proper divisors (58359554).

81703342 is a wasteful number, since it uses less digits than its factorization.

81703342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835962.

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

The square root of 81703342 is about 9038.9900984568. The cubic root of 81703342 is about 433.9236028253.

The spelling of 81703342 in words is "eighty-one million, seven hundred three thousand, three hundred forty-two".