142673717 has 8 divisors (see below), whose sum is σ = 153379200. Its totient is φ = 132287904.

The previous prime is 142673701. The next prime is 142673723. The reversal of 142673717 is 717376241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142673717 - 2⁴ = 142673701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142673747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78992 + ... + 80777.

It is an arithmetic number, because the mean of its divisors is an integer number (19172400).

Almost surely, 2^142673717 is an apocalyptic number.

It is an amenable number.

142673717 is a deficient number, since it is larger than the sum of its proper divisors (10705483).

142673717 is a wasteful number, since it uses less digits than its factorization.

142673717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159835.

The product of its digits is 49392, while the sum is 38.

The square root of 142673717 is about 11944.6103745581. The cubic root of 142673717 is about 522.5341256528.

The spelling of 142673717 in words is "one hundred forty-two million, six hundred seventy-three thousand, seven hundred seventeen".