7404665 has 4 divisors (see below), whose sum is σ = 8885604. Its totient is φ = 5923728.

The previous prime is 7404659. The next prime is 7404731. The reversal of 7404665 is 5664047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5664047 = 131 ⋅43237.

It can be written as a sum of positive squares in 2 ways, for example, as 753424 + 6651241 = 868^2 + 2579^2 .

It is a cyclic number.

It is not a de Polignac number, because 7404665 - 2⁸ = 7404409 is a prime.

It is a Duffinian 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, 740462 + ... + 740471.

It is an arithmetic number, because the mean of its divisors is an integer number (2221401).

Almost surely, 2^7404665 is an apocalyptic number.

It is an amenable number.

7404665 is a deficient number, since it is larger than the sum of its proper divisors (1480939).

7404665 is a wasteful number, since it uses less digits than its factorization.

7404665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480938.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 7404665 is about 2721.1514107083. The cubic root of 7404665 is about 194.9104563678.

The spelling of 7404665 in words is "seven million, four hundred four thousand, six hundred sixty-five".