7487420 has 48 divisors (see below), whose sum is σ = 16849728. Its totient is φ = 2787840.

The previous prime is 7487419. The next prime is 7487437. The reversal of 7487420 is 247847.

It is a super-2 number, since 2×7487420² = 112122916512800, which contains 22 as substring.

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, 18662 + ... + 19058.

It is an arithmetic number, because the mean of its divisors is an integer number (351036).

Almost surely, 2^7487420 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 7487420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8424864).

7487420 is an abundant number, since it is smaller than the sum of its proper divisors (9362308).

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

7487420 is a wasteful number, since it uses less digits than its factorization.

7487420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 7487420 is about 2736.3150403417. The cubic root of 7487420 is about 195.6338785111.

The spelling of 7487420 in words is "seven million, four hundred eighty-seven thousand, four hundred twenty".