7404023 has 4 divisors (see below), whose sum is σ = 8077128. Its totient is φ = 6730920.

The previous prime is 7403987. The next prime is 7404029. The reversal of 7404023 is 3204047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7404023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7403986 and 7404004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7404029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336536 + ... + 336557.

It is an arithmetic number, because the mean of its divisors is an integer number (2019282).

Almost surely, 2^7404023 is an apocalyptic number.

7404023 is a deficient number, since it is larger than the sum of its proper divisors (673105).

7404023 is a wasteful number, since it uses less digits than its factorization.

7404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673104.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 7404023 is about 2721.0334433814. The cubic root of 7404023 is about 194.9048231564.

The spelling of 7404023 in words is "seven million, four hundred four thousand, twenty-three".