72210250 has 32 divisors (see below), whose sum is σ = 154492416. Its totient is φ = 24757200.

The previous prime is 72210247. The next prime is 72210251. The reversal of 72210250 is 5201227.

It is not an unprimeable number, because it can be changed into a prime (72210251) 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, 18882 + ... + 22381.

It is an arithmetic number, because the mean of its divisors is an integer number (4827888).

Almost surely, 2^72210250 is an apocalyptic number.

72210250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72210250 is an abundant number, since it is smaller than the sum of its proper divisors (82282166).

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

72210250 is a wasteful number, since it uses less digits than its factorization.

72210250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41287 (or 41277 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 72210250 is about 8497.6614430089. The cubic root of 72210250 is about 416.4213133303.

Adding to 72210250 its reverse (5201227), we get a palindrome (77411477).

The spelling of 72210250 in words is "seventy-two million, two hundred ten thousand, two hundred fifty".