73131022 has 8 divisors (see below), whose sum is σ = 110023056. Its totient is φ = 36456672.

The previous prime is 73131017. The next prime is 73131041. The reversal of 73131022 is 22013137.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53578 + ... + 54925.

It is an arithmetic number, because the mean of its divisors is an integer number (13752882).

Almost surely, 2^73131022 is an apocalyptic number.

73131022 is a deficient number, since it is larger than the sum of its proper divisors (36892034).

73131022 is a wasteful number, since it uses less digits than its factorization.

73131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108842.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 73131022 is about 8551.6677905541. The cubic root of 73131022 is about 418.1838091817.

Adding to 73131022 its reverse (22013137), we get a palindrome (95144159).

The spelling of 73131022 in words is "seventy-three million, one hundred thirty-one thousand, twenty-two".