7157332 has 54 divisors (see below), whose sum is σ = 15992718. Its totient is φ = 2778048.

The previous prime is 7157303. The next prime is 7157341. The reversal of 7157332 is 2337517.

It can be written as a sum of positive squares in 3 ways, for example, as 1223236 + 5934096 = 1106^2 + 2436^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 7157332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 135018 + ... + 135070.

Almost surely, 2^7157332 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 7157332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7996359).

7157332 is an abundant number, since it is smaller than the sum of its proper divisors (8835386).

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

7157332 is a wasteful number, since it uses less digits than its factorization.

7157332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 75 counting only the distinct ones).

The product of its digits is 4410, while the sum is 28.

The square root of 7157332 is about 2675.3190463943. The cubic root of 7157332 is about 192.7156811210.

The spelling of 7157332 in words is "seven million, one hundred fifty-seven thousand, three hundred thirty-two".