71200026 has 32 divisors (see below), whose sum is σ = 162086400. Its totient is φ = 23153760.

The previous prime is 71200021. The next prime is 71200081. The reversal of 71200026 is 62000217.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71199981 and 71200008.

It is not an unprimeable number, because it can be changed into a prime (71200021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13866 + ... + 18293.

It is an arithmetic number, because the mean of its divisors is an integer number (5065200).

Almost surely, 2^71200026 is an apocalyptic number.

71200026 is an abundant number, since it is smaller than the sum of its proper divisors (90886374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71200026 is a wasteful number, since it uses less digits than its factorization.

71200026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32211 (or 32205 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 71200026 is about 8438.0107845392. The cubic root of 71200026 is about 414.4702700623.

The spelling of 71200026 in words is "seventy-one million, two hundred thousand, twenty-six".