72270852 has 12 divisors (see below), whose sum is σ = 168632016. Its totient is φ = 24090280.

The previous prime is 72270841. The next prime is 72270857. The reversal of 72270852 is 25807227.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (72270857) 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, 3011274 + ... + 3011297.

It is an arithmetic number, because the mean of its divisors is an integer number (14052668).

Almost surely, 2^72270852 is an apocalyptic number.

It is an amenable number.

72270852 is an abundant number, since it is smaller than the sum of its proper divisors (96361164).

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

72270852 is a wasteful number, since it uses less digits than its factorization.

72270852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022578 (or 6022576 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 72270852 is about 8501.2264997470. The cubic root of 72270852 is about 416.5377737498.

The spelling of 72270852 in words is "seventy-two million, two hundred seventy thousand, eight hundred fifty-two".