7487130 has 64 divisors (see below), whose sum is σ = 20798208. Its totient is φ = 1689600.

The previous prime is 7487119. The next prime is 7487131. The reversal of 7487130 is 317847.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (7487131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21034 + ... + 21386.

It is an arithmetic number, because the mean of its divisors is an integer number (324972).

Almost surely, 2^7487130 is an apocalyptic number.

7487130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7487130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10399104).

7487130 is an abundant number, since it is smaller than the sum of its proper divisors (13311078).

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

7487130 is a wasteful number, since it uses less digits than its factorization.

7487130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 7487130 is about 2736.2620488542. The cubic root of 7487130 is about 195.6313527387.

7487130 divided by its sum of digits (30) gives a triangular number (249571 = T₇₀₆).

The spelling of 7487130 in words is "seven million, four hundred eighty-seven thousand, one hundred thirty".