71872607 has 4 divisors (see below), whose sum is σ = 72118200. Its totient is φ = 71627016.

The previous prime is 71872597. The next prime is 71872637. The reversal of 71872607 is 70627817.

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

It is a cyclic number.

It is not a de Polignac number, because 71872607 - 2⁶ = 71872543 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 (71872637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122357 + ... + 122942.

It is an arithmetic number, because the mean of its divisors is an integer number (18029550).

Almost surely, 2^71872607 is an apocalyptic number.

71872607 is a deficient number, since it is larger than the sum of its proper divisors (245593).

71872607 is a wasteful number, since it uses less digits than its factorization.

71872607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245592.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 71872607 is about 8477.7713462914. The cubic root of 71872607 is about 415.7712603904.

The spelling of 71872607 in words is "seventy-one million, eight hundred seventy-two thousand, six hundred seven".