73142302 has 4 divisors (see below), whose sum is σ = 109713456. Its totient is φ = 36571150.

The previous prime is 73142297. The next prime is 73142309. The reversal of 73142302 is 20324137.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73142309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18285574 + ... + 18285577.

It is an arithmetic number, because the mean of its divisors is an integer number (27428364).

Almost surely, 2^73142302 is an apocalyptic number.

73142302 is a deficient number, since it is larger than the sum of its proper divisors (36571154).

73142302 is a wasteful number, since it uses less digits than its factorization.

73142302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36571153.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 73142302 is about 8552.3272855989. The cubic root of 73142302 is about 418.2053088168.

Adding to 73142302 its reverse (20324137), we get a palindrome (93466439).

The spelling of 73142302 in words is "seventy-three million, one hundred forty-two thousand, three hundred two".