81342614 has 8 divisors (see below), whose sum is σ = 122347488. Its totient is φ = 40560120.

The previous prime is 81342589. The next prime is 81342631. The reversal of 81342614 is 41624318.

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, 54677 + ... + 56144.

It is an arithmetic number, because the mean of its divisors is an integer number (15293436).

Almost surely, 2^81342614 is an apocalyptic number.

81342614 is a deficient number, since it is larger than the sum of its proper divisors (41004874).

81342614 is a wasteful number, since it uses less digits than its factorization.

81342614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111190.

The product of its digits is 4608, while the sum is 29.

The square root of 81342614 is about 9019.0140259343. The cubic root of 81342614 is about 433.2840560665.

The spelling of 81342614 in words is "eighty-one million, three hundred forty-two thousand, six hundred fourteen".