72025671 has 4 divisors (see below), whose sum is σ = 96034232. Its totient is φ = 48017112.

The previous prime is 72025649. The next prime is 72025699. The reversal of 72025671 is 17652027.

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

It is not a de Polignac number, because 72025671 - 2⁷ = 72025543 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 (72025601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12004276 + ... + 12004281.

It is an arithmetic number, because the mean of its divisors is an integer number (24008558).

Almost surely, 2^72025671 is an apocalyptic number.

72025671 is a deficient number, since it is larger than the sum of its proper divisors (24008561).

72025671 is a wasteful number, since it uses less digits than its factorization.

72025671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24008560.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 72025671 is about 8486.7939176111. The cubic root of 72025671 is about 416.0662011723.

Adding to 72025671 its reverse (17652027), we get a palindrome (89677698).

The spelling of 72025671 in words is "seventy-two million, twenty-five thousand, six hundred seventy-one".