7072423 has 4 divisors (see below), whose sum is σ = 7078408. Its totient is φ = 7066440.

The previous prime is 7072421. The next prime is 7072441. The reversal of 7072423 is 3242707.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3242707 = 13 ⋅249439.

It is a cyclic number.

It is not a de Polignac number, because 7072423 - 2¹ = 7072421 is a prime.

It is a Duffinian number.

7072423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072421) 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, 561 + ... + 3802.

It is an arithmetic number, because the mean of its divisors is an integer number (1769602).

Almost surely, 2^7072423 is an apocalyptic number.

7072423 is a deficient number, since it is larger than the sum of its proper divisors (5985).

7072423 is a wasteful number, since it uses less digits than its factorization.

7072423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5984.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 7072423 is about 2659.4027524991. The cubic root of 7072423 is about 191.9505714052.

The spelling of 7072423 in words is "seven million, seventy-two thousand, four hundred twenty-three".