7125624 has 64 divisors (see below), whose sum is σ = 21600000. Its totient is φ = 2158560.

The previous prime is 7125617. The next prime is 7125649. The reversal of 7125624 is 4265217.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 877 + ... + 3875.

It is an arithmetic number, because the mean of its divisors is an integer number (337500).

Almost surely, 2^7125624 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 7125624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10800000).

7125624 is an abundant number, since it is smaller than the sum of its proper divisors (14474376).

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

7125624 is a wasteful number, since it uses less digits than its factorization.

7125624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025 (or 3015 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 7125624 is about 2669.3864463580. The cubic root of 7125624 is about 192.4306738612.

It can be divided in two parts, 712 and 5624, that added together give a palindrome (6336).

The spelling of 7125624 in words is "seven million, one hundred twenty-five thousand, six hundred twenty-four".