7231872 has 64 divisors (see below), whose sum is σ = 19767600. Its totient is φ = 2340864.

The previous prime is 7231871. The next prime is 7231879. The reversal of 7231872 is 2781327.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7231871) 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, 13954 + ... + 14462.

Almost surely, 2^7231872 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 7231872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9883800).

7231872 is an abundant number, since it is smaller than the sum of its proper divisors (12535728).

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

7231872 is a wasteful number, since it uses less digits than its factorization.

7231872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 551 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 7231872 is about 2689.2140115655. The cubic root of 7231872 is about 193.3823841720.

It can be divided in two parts, 72318 and 72, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 7231872 in words is "seven million, two hundred thirty-one thousand, eight hundred seventy-two".