73131842 has 8 divisors (see below), whose sum is σ = 125368896. Its totient is φ = 31342212.

The previous prime is 73131829. The next prime is 73131847. The reversal of 73131842 is 24813137.

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

It is not an unprimeable number, because it can be changed into a prime (73131847) 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, 2611838 + ... + 2611865.

It is an arithmetic number, because the mean of its divisors is an integer number (15671112).

Almost surely, 2^73131842 is an apocalyptic number.

73131842 is a deficient number, since it is larger than the sum of its proper divisors (52237054).

73131842 is a wasteful number, since it uses less digits than its factorization.

73131842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223712.

The product of its digits is 4032, while the sum is 29.

The square root of 73131842 is about 8551.7157342840. The cubic root of 73131842 is about 418.1853721729.

Adding to 73131842 its reverse (24813137), we get a palindrome (97944979).

The spelling of 73131842 in words is "seventy-three million, one hundred thirty-one thousand, eight hundred forty-two".