7251404 has 6 divisors (see below), whose sum is σ = 12689964. Its totient is φ = 3625700.

The previous prime is 7251397. The next prime is 7251481. The reversal of 7251404 is 4041527.

7251404 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 7251404.

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 as a sum of consecutive naturals, namely, 906422 + ... + 906429.

It is an arithmetic number, because the mean of its divisors is an integer number (2114994).

Almost surely, 2^7251404 is an apocalyptic number.

It is an amenable number.

7251404 is a deficient number, since it is larger than the sum of its proper divisors (5438560).

7251404 is a wasteful number, since it uses less digits than its factorization.

7251404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812855 (or 1812853 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 7251404 is about 2692.8431072010. The cubic root of 7251404 is about 193.5563248130.

The spelling of 7251404 in words is "seven million, two hundred fifty-one thousand, four hundred four".