7491132 has 36 divisors (see below), whose sum is σ = 20658456. Its totient is φ = 2269920.

The previous prime is 7491091. The next prime is 7491137. The reversal of 7491132 is 2311947.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×7491132² = 112234117282848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7491096 and 7491105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7491137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9063 + ... + 9854.

It is an arithmetic number, because the mean of its divisors is an integer number (573846).

Almost surely, 2^7491132 is an apocalyptic number.

It is an amenable number.

7491132 is an abundant number, since it is smaller than the sum of its proper divisors (13167324).

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

7491132 is a wasteful number, since it uses less digits than its factorization.

7491132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18938 (or 18933 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 7491132 is about 2736.9932407662. The cubic root of 7491132 is about 195.6662026398. Note that the first 3 decimals are identical.

It can be divided in two parts, 749 and 1132, that added together give a palindrome (1881).

The spelling of 7491132 in words is "seven million, four hundred ninety-one thousand, one hundred thirty-two".