83731873 has 4 divisors (see below), whose sum is σ = 83921328. Its totient is φ = 83542420.

The previous prime is 83731871. The next prime is 83731889. The reversal of 83731873 is 37813738.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83731873 - 2¹ = 83731871 is a prime.

It is a super-2 number, since 2×83731873² = 14022053112176258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83731871) 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, 94063 + ... + 94948.

It is an arithmetic number, because the mean of its divisors is an integer number (20980332).

Almost surely, 2^83731873 is an apocalyptic number.

It is an amenable number.

83731873 is a deficient number, since it is larger than the sum of its proper divisors (189455).

83731873 is a wasteful number, since it uses less digits than its factorization.

83731873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189454.

The product of its digits is 84672, while the sum is 40.

The square root of 83731873 is about 9150.5121714579. The cubic root of 83731873 is about 437.4854382092.

The spelling of 83731873 in words is "eighty-three million, seven hundred thirty-one thousand, eight hundred seventy-three".