7604405 has 8 divisors (see below), whose sum is σ = 9154392. Its totient is φ = 6064128.

The previous prime is 7604381. The next prime is 7604407. The reversal of 7604405 is 5044067.

It can be written as a sum of positive squares in 4 ways, for example, as 244036 + 7360369 = 494^2 + 2713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7604405 - 2¹⁸ = 7342261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7604407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572 + ... + 3941.

It is an arithmetic number, because the mean of its divisors is an integer number (1144299).

Almost surely, 2^7604405 is an apocalyptic number.

It is an amenable number.

7604405 is a deficient number, since it is larger than the sum of its proper divisors (1549987).

7604405 is a wasteful number, since it uses less digits than its factorization.

7604405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 7604405 is about 2757.6085654059. The cubic root of 7604405 is about 196.6474924650.

The spelling of 7604405 in words is "seven million, six hundred four thousand, four hundred five".