72102671 has 8 divisors (see below), whose sum is σ = 75813600. Its totient is φ = 68473440.

The previous prime is 72102647. The next prime is 72102673. The reversal of 72102671 is 17620127.

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-72102671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72102671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72102673) 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, 18611 + ... + 22148.

It is an arithmetic number, because the mean of its divisors is an integer number (9476700).

Almost surely, 2^72102671 is an apocalyptic number.

72102671 is a deficient number, since it is larger than the sum of its proper divisors (3710929).

72102671 is a wasteful number, since it uses less digits than its factorization.

72102671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40849.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 72102671 is about 8491.3291656843. The cubic root of 72102671 is about 416.2144154005.

Adding to 72102671 its reverse (17620127), we get a palindrome (89722798).

The spelling of 72102671 in words is "seventy-two million, one hundred two thousand, six hundred seventy-one".