7057404 has 18 divisors (see below), whose sum is σ = 17839640. Its totient is φ = 2352456.

The previous prime is 7057381. The next prime is 7057409. The reversal of 7057404 is 4047507.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×7057404³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7057409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97984 + ... + 98055.

Almost surely, 2^7057404 is an apocalyptic number.

It is an amenable number.

7057404 is an abundant number, since it is smaller than the sum of its proper divisors (10782236).

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

7057404 is a wasteful number, since it uses less digits than its factorization.

7057404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196049 (or 196044 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7057404 is about 2656.5774974580. The cubic root of 7057404 is about 191.8145996760.

The spelling of 7057404 in words is "seven million, fifty-seven thousand, four hundred four".