72211352 has 32 divisors (see below), whose sum is σ = 141734880. Its totient is φ = 34425600.

The previous prime is 72211351. The next prime is 72211357. The reversal of 72211352 is 25311227.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72211351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110258 + ... + 110910.

It is an arithmetic number, because the mean of its divisors is an integer number (4429215).

Almost surely, 2^72211352 is an apocalyptic number.

It is an amenable number.

72211352 is a deficient number, since it is larger than the sum of its proper divisors (69523528).

72211352 is a wasteful number, since it uses less digits than its factorization.

72211352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1279 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 72211352 is about 8497.7262841304. The cubic root of 72211352 is about 416.4234316536.

Adding to 72211352 its reverse (25311227), we get a palindrome (97522579).

The spelling of 72211352 in words is "seventy-two million, two hundred eleven thousand, three hundred fifty-two".