7215132 has 24 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 2390896.

The previous prime is 7215127. The next prime is 7215133. The reversal of 7215132 is 2315127.

It is a junction number, because it is equal to n+sod(n) for n = 7215099 and 7215108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215133) 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, 469 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (705600).

Almost surely, 2^7215132 is an apocalyptic number.

It is an amenable number.

7215132 is an abundant number, since it is smaller than the sum of its proper divisors (9719268).

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

7215132 is a wasteful number, since it uses less digits than its factorization.

7215132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545 (or 3543 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 7215132 is about 2686.0997747664. The cubic root of 7215132 is about 193.2330580539.

The spelling of 7215132 in words is "seven million, two hundred fifteen thousand, one hundred thirty-two".