7425823 has 4 divisors (see below), whose sum is σ = 7499448. Its totient is φ = 7352200.

The previous prime is 7425809. The next prime is 7425829. The reversal of 7425823 is 3285247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3285247 = 7 ⋅469321.

It is a cyclic number.

It is not a de Polignac number, because 7425823 - 2²¹ = 5328671 is a prime.

It is a Duffinian number.

7425823 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7425829) 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, 36661 + ... + 36862.

It is an arithmetic number, because the mean of its divisors is an integer number (1874862).

Almost surely, 2^7425823 is an apocalyptic number.

7425823 is a deficient number, since it is larger than the sum of its proper divisors (73625).

7425823 is a wasteful number, since it uses less digits than its factorization.

7425823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73624.

The product of its digits is 13440, while the sum is 31.

The square root of 7425823 is about 2725.0363300331. The cubic root of 7425823 is about 195.0959247531.

The spelling of 7425823 in words is "seven million, four hundred twenty-five thousand, eight hundred twenty-three".