72252030 has 32 divisors (see below), whose sum is σ = 173692800. Its totient is φ = 19235232.

The previous prime is 72252029. The next prime is 72252077. The reversal of 72252030 is 3025227.

It is a junction number, because it is equal to n+sod(n) for n = 72251988 and 72252006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20541 + ... + 23799.

It is an arithmetic number, because the mean of its divisors is an integer number (5427900).

Almost surely, 2^72252030 is an apocalyptic number.

72252030 is an abundant number, since it is smaller than the sum of its proper divisors (101440770).

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

72252030 is a wasteful number, since it uses less digits than its factorization.

72252030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 72252030 is about 8500.1194109259. The cubic root of 72252030 is about 416.5016100015.

Adding to 72252030 its reverse (3025227), we get a palindrome (75277257).

The spelling of 72252030 in words is "seventy-two million, two hundred fifty-two thousand, thirty".