83724873 has 8 divisors (see below), whose sum is σ = 111695136. Its totient is φ = 55785600.

The previous prime is 83724869. The next prime is 83724937. The reversal of 83724873 is 37842738.

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

It is not a de Polignac number, because 83724873 - 2² = 83724869 is a prime.

It is a super-2 number, since 2×83724873² = 14019708717732258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83724863) 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, 463 + ... + 12948.

It is an arithmetic number, because the mean of its divisors is an integer number (13961892).

Almost surely, 2^83724873 is an apocalyptic number.

It is an amenable number.

83724873 is a deficient number, since it is larger than the sum of its proper divisors (27970263).

83724873 is a wasteful number, since it uses less digits than its factorization.

83724873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15495.

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

The square root of 83724873 is about 9150.1296712123. The cubic root of 83724873 is about 437.4732465817.

The spelling of 83724873 in words is "eighty-three million, seven hundred twenty-four thousand, eight hundred seventy-three".