82073347 has 4 divisors (see below), whose sum is σ = 82099656. Its totient is φ = 82047040.

The previous prime is 82073339. The next prime is 82073351. The reversal of 82073347 is 74337028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82073347 - 2³ = 82073339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82073357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7729 + ... + 14962.

It is an arithmetic number, because the mean of its divisors is an integer number (20524914).

Almost surely, 2^82073347 is an apocalyptic number.

82073347 is a deficient number, since it is larger than the sum of its proper divisors (26309).

82073347 is a wasteful number, since it uses less digits than its factorization.

82073347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26308.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 82073347 is about 9059.4341434772. The cubic root of 82073347 is about 434.5776443984.

The spelling of 82073347 in words is "eighty-two million, seventy-three thousand, three hundred forty-seven".