7251040 has 24 divisors (see below), whose sum is σ = 17130960. Its totient is φ = 2900352.

The previous prime is 7251037. The next prime is 7251053. The reversal of 7251040 is 401527.

It is a junction number, because it is equal to n+sod(n) for n = 7250999 and 7251017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22500 + ... + 22819.

It is an arithmetic number, because the mean of its divisors is an integer number (713790).

Almost surely, 2^7251040 is an apocalyptic number.

It is an amenable number.

7251040 is an abundant number, since it is smaller than the sum of its proper divisors (9879920).

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

7251040 is a wasteful number, since it uses less digits than its factorization.

7251040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45334 (or 45326 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 7251040 is about 2692.7755197937. The cubic root of 7251040 is about 193.5530860986.

Adding to 7251040 its reverse (401527), we get a palindrome (7652567).

The spelling of 7251040 in words is "seven million, two hundred fifty-one thousand, forty".