72270710 has 8 divisors (see below), whose sum is σ = 130087296. Its totient is φ = 28908280.

The previous prime is 72270707. The next prime is 72270719. The reversal of 72270710 is 1707227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72270710.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72270719) 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, 3613526 + ... + 3613545.

It is an arithmetic number, because the mean of its divisors is an integer number (16260912).

Almost surely, 2^72270710 is an apocalyptic number.

72270710 is a deficient number, since it is larger than the sum of its proper divisors (57816586).

72270710 is a wasteful number, since it uses less digits than its factorization.

72270710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227078.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 72270710 is about 8501.2181480068. The cubic root of 72270710 is about 416.5375009408.

Adding to 72270710 its reverse (1707227), we get a palindrome (73977937).

The spelling of 72270710 in words is "seventy-two million, two hundred seventy thousand, seven hundred ten".