83740173 has 8 divisors (see below), whose sum is σ = 121803936. Its totient is φ = 50751600.

The previous prime is 83740157. The next prime is 83740187. The reversal of 83740173 is 37104738.

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

It is not a de Polignac number, because 83740173 - 2⁴ = 83740157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2537581 = 83740173 / (8 + 3 + 7 + 4 + 0 + 1 + 7 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83740673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268758 + ... + 1268823.

It is an arithmetic number, because the mean of its divisors is an integer number (15225492).

Almost surely, 2^83740173 is an apocalyptic number.

It is an amenable number.

83740173 is a deficient number, since it is larger than the sum of its proper divisors (38063763).

83740173 is a wasteful number, since it uses less digits than its factorization.

83740173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537595.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 83740173 is about 9150.9656867459. The cubic root of 83740173 is about 437.4998931156.

The spelling of 83740173 in words is "eighty-three million, seven hundred forty thousand, one hundred seventy-three".