7287492 has 48 divisors (see below), whose sum is σ = 18204480. Its totient is φ = 2260992.

The previous prime is 7287473. The next prime is 7287493. The reversal of 7287492 is 2947827.

It is a self number, because there is not a number n which added to its sum of digits gives 7287492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7287493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28228 + ... + 28484.

It is an arithmetic number, because the mean of its divisors is an integer number (379260).

Almost surely, 2^7287492 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 7287492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9102240).

7287492 is an abundant number, since it is smaller than the sum of its proper divisors (10916988).

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

7287492 is a wasteful number, since it uses less digits than its factorization.

7287492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 418 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 7287492 is about 2699.5355156026. The cubic root of 7287492 is about 193.8768836586.

The spelling of 7287492 in words is "seven million, two hundred eighty-seven thousand, four hundred ninety-two".