73142107 has 4 divisors (see below), whose sum is σ = 73172520. Its totient is φ = 73111696.

The previous prime is 73142059. The next prime is 73142117. The reversal of 73142107 is 70124137.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 73142107 - 2⁷ = 73141979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73142117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11257 + ... + 16522.

It is an arithmetic number, because the mean of its divisors is an integer number (18293130).

Almost surely, 2^73142107 is an apocalyptic number.

73142107 is a deficient number, since it is larger than the sum of its proper divisors (30413).

73142107 is a wasteful number, since it uses less digits than its factorization.

73142107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30412.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 73142107 is about 8552.3158851857. The cubic root of 73142107 is about 418.2049371663.

The spelling of 73142107 in words is "seventy-three million, one hundred forty-two thousand, one hundred seven".