72287141 has 8 divisors (see below), whose sum is σ = 74304384. Its totient is φ = 70282080.

The previous prime is 72287129. The next prime is 72287143. The reversal of 72287141 is 14178227.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72287141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72287098 and 72287107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72287143) 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, 9716 + ... + 15458.

It is an arithmetic number, because the mean of its divisors is an integer number (9288048).

Almost surely, 2^72287141 is an apocalyptic number.

It is an amenable number.

72287141 is a deficient number, since it is larger than the sum of its proper divisors (2017243).

72287141 is a wasteful number, since it uses less digits than its factorization.

72287141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091.

The product of its digits is 6272, while the sum is 32.

The square root of 72287141 is about 8502.1844840017. The cubic root of 72287141 is about 416.5690656373.

The spelling of 72287141 in words is "seventy-two million, two hundred eighty-seven thousand, one hundred forty-one".