73642142 has 16 divisors (see below), whose sum is σ = 126464352. Its totient is φ = 31505760.

The previous prime is 73642097. The next prime is 73642169. The reversal of 73642142 is 24124637.

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 7 ways as a sum of consecutive naturals, for example, 4292 + ... + 12872.

It is an arithmetic number, because the mean of its divisors is an integer number (7904022).

Almost surely, 2^73642142 is an apocalyptic number.

It is a pronic number, being equal to 8581×8582.

73642142 is a deficient number, since it is larger than the sum of its proper divisors (52822210).

73642142 is a wasteful number, since it uses less digits than its factorization.

73642142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203.

The product of its digits is 8064, while the sum is 29.

The square root of 73642142 is about 8581.4999854338. The cubic root of 73642142 is about 419.1557910314.

Adding to 73642142 its reverse (24124637), we get a palindrome (97766779).

The spelling of 73642142 in words is "seventy-three million, six hundred forty-two thousand, one hundred forty-two".