83742873 has 8 divisors (see below), whose sum is σ = 115259136. Its totient is φ = 54027600.

The previous prime is 83742863. The next prime is 83742941. The reversal of 83742873 is 37824738.

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

It is not a de Polignac number, because 83742873 - 2¹³ = 83734681 is a prime.

It is a super-3 number, since 3×83742873³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (83742863) 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, 450138 + ... + 450323.

It is an arithmetic number, because the mean of its divisors is an integer number (14407392).

Almost surely, 2^83742873 is an apocalyptic number.

It is an amenable number.

83742873 is a deficient number, since it is larger than the sum of its proper divisors (31516263).

83742873 is a wasteful number, since it uses less digits than its factorization.

83742873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900495.

The product of its digits is 225792, while the sum is 42.

The square root of 83742873 is about 9151.1132109706. The cubic root of 83742873 is about 437.5045951082.

The spelling of 83742873 in words is "eighty-three million, seven hundred forty-two thousand, eight hundred seventy-three".