7216572 has 48 divisors (see below), whose sum is σ = 19176192. Its totient is φ = 2090880.

The previous prime is 7216567. The next prime is 7216577. The reversal of 7216572 is 2756127.

It is an interprime number because it is at equal distance from previous prime (7216567) and next prime (7216577).

It is a super-2 number, since 2×7216572² = 104157822862368, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁶ + 2¹⁸ + 1 + 6⁵ + 5⁶ + 7⁸ + 2²⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216577) 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, 1848 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (399504).

Almost surely, 2^7216572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7216572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9588096).

7216572 is an abundant number, since it is smaller than the sum of its proper divisors (11959620).

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

7216572 is a wasteful number, since it uses less digits than its factorization.

7216572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418 (or 2416 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 7216572 is about 2686.3678080263. The cubic root of 7216572 is about 193.2459123853.

The spelling of 7216572 in words is "seven million, two hundred sixteen thousand, five hundred seventy-two".