73127142 has 48 divisors (see below), whose sum is σ = 173714112. Its totient is φ = 22048560.

The previous prime is 73127107. The next prime is 73127147. The reversal of 73127142 is 24172137.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73127147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44133 + ... + 45759.

It is an arithmetic number, because the mean of its divisors is an integer number (3619044).

Almost surely, 2^73127142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73127142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86857056).

73127142 is an abundant number, since it is smaller than the sum of its proper divisors (100586970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73127142 is a wasteful number, since it uses less digits than its factorization.

73127142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873 (or 1870 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 73127142 is about 8551.4409312115. The cubic root of 73127142 is about 418.1764134061.

Adding to 73127142 its reverse (24172137), we get a palindrome (97299279).

The spelling of 73127142 in words is "seventy-three million, one hundred twenty-seven thousand, one hundred forty-two".