72053250 has 64 divisors (see below), whose sum is σ = 187709184. Its totient is φ = 18374400.

The previous prime is 72053237. The next prime is 72053257. The reversal of 72053250 is 5235027.

It is a self number, because there is not a number n which added to its sum of digits gives 72053250.

It is not an unprimeable number, because it can be changed into a prime (72053257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15162 + ... + 19338.

It is an arithmetic number, because the mean of its divisors is an integer number (2932956).

Almost surely, 2^72053250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72053250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93854592).

72053250 is an abundant number, since it is smaller than the sum of its proper divisors (115655934).

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

72053250 is a wasteful number, since it uses less digits than its factorization.

72053250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 4210 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 72053250 is about 8488.4185806309. The cubic root of 72053250 is about 416.1192990254.

Adding to 72053250 its reverse (5235027), we get a palindrome (77288277).

The spelling of 72053250 in words is "seventy-two million, fifty-three thousand, two hundred fifty".