72607271 has 8 divisors (see below), whose sum is σ = 81939600. Its totient is φ = 63730240.

The previous prime is 72607267. The next prime is 72607273. The reversal of 72607271 is 17270627.

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 not a de Polignac number, because 72607271 - 2² = 72607267 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 (72607273) 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, 113486 + ... + 114123.

It is an arithmetic number, because the mean of its divisors is an integer number (10242450).

Almost surely, 2^72607271 is an apocalyptic number.

72607271 is a deficient number, since it is larger than the sum of its proper divisors (9332329).

72607271 is a wasteful number, since it uses less digits than its factorization.

72607271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227649.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 72607271 is about 8520.9900246392. The cubic root of 72607271 is about 417.1830977508.

Adding to 72607271 its reverse (17270627), we get a palindrome (89877898).

The spelling of 72607271 in words is "seventy-two million, six hundred seven thousand, two hundred seventy-one".