7131488 has 96 divisors (see below), whose sum is σ = 18063360. Its totient is φ = 2695680.

The previous prime is 7131469. The next prime is 7131503. The reversal of 7131488 is 8841317.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90233 + ... + 90311.

It is an arithmetic number, because the mean of its divisors is an integer number (188160).

Almost surely, 2^7131488 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 7131488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9031680).

7131488 is an abundant number, since it is smaller than the sum of its proper divisors (10931872).

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

7131488 is a wasteful number, since it uses less digits than its factorization.

7131488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 132 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 7131488 is about 2670.4846002177. The cubic root of 7131488 is about 192.4834460381.

The spelling of 7131488 in words is "seven million, one hundred thirty-one thousand, four hundred eighty-eight".