71625863 has 8 divisors (see below), whose sum is σ = 72312240. Its totient is φ = 70943040.

The previous prime is 71625859. The next prime is 71625889. The reversal of 71625863 is 36852617.

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 71625863 - 2² = 71625859 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 (71625803) 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, 54923 + ... + 56211.

It is an arithmetic number, because the mean of its divisors is an integer number (9039030).

Almost surely, 2^71625863 is an apocalyptic number.

71625863 is a deficient number, since it is larger than the sum of its proper divisors (686377).

71625863 is a wasteful number, since it uses less digits than its factorization.

71625863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777.

The product of its digits is 60480, while the sum is 38.

The square root of 71625863 is about 8463.2064254631. The cubic root of 71625863 is about 415.2949236644.

The spelling of 71625863 in words is "seventy-one million, six hundred twenty-five thousand, eight hundred sixty-three".