72142873 has 8 divisors (see below), whose sum is σ = 79099200. Its totient is φ = 65252880.

The previous prime is 72142871. The next prime is 72142901. The reversal of 72142873 is 37824127.

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

It is not a de Polignac number, because 72142873 - 2¹ = 72142871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72142871) 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, 14290 + ... + 18667.

It is an arithmetic number, because the mean of its divisors is an integer number (9887400).

Almost surely, 2^72142873 is an apocalyptic number.

It is an amenable number.

72142873 is a deficient number, since it is larger than the sum of its proper divisors (6956327).

72142873 is a wasteful number, since it uses less digits than its factorization.

72142873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33167.

The product of its digits is 18816, while the sum is 34.

The square root of 72142873 is about 8493.6960741482. The cubic root of 72142873 is about 416.2917567010.

The spelling of 72142873 in words is "seventy-two million, one hundred forty-two thousand, eight hundred seventy-three".