73993142 has 4 divisors (see below), whose sum is σ = 110989716. Its totient is φ = 36996570.

The previous prime is 73993133. The next prime is 73993159. The reversal of 73993142 is 24139937.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 73993096 and 73993105.

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 as a sum of consecutive naturals, namely, 18498284 + ... + 18498287.

It is an arithmetic number, because the mean of its divisors is an integer number (27747429).

Almost surely, 2^73993142 is an apocalyptic number.

73993142 is a deficient number, since it is larger than the sum of its proper divisors (36996574).

73993142 is a wasteful number, since it uses less digits than its factorization.

73993142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36996573.

The product of its digits is 40824, while the sum is 38.

The square root of 73993142 is about 8601.9266446535. The cubic root of 73993142 is about 419.8206755246.

The spelling of 73993142 in words is "seventy-three million, nine hundred ninety-three thousand, one hundred forty-two".