7325040 has 80 divisors (see below), whose sum is σ = 23712768. Its totient is φ = 1867008.

The previous prime is 7325029. The next prime is 7325053. The reversal of 7325040 is 405237.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×7325040² = 107312422003200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7324998 and 7325016.

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, 4857 + ... + 6183.

Almost surely, 2^7325040 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 7325040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11856384).

7325040 is an abundant number, since it is smaller than the sum of its proper divisors (16387728).

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

7325040 is a wasteful number, since it uses less digits than its factorization.

7325040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 7325040 is about 2706.4811102241. The cubic root of 7325040 is about 194.2092898460.

The spelling of 7325040 in words is "seven million, three hundred twenty-five thousand, forty".