7272023 has 4 divisors (see below), whose sum is σ = 7933128. Its totient is φ = 6610920.

The previous prime is 7272007. The next prime is 7272049. The reversal of 7272023 is 3202727.

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

It is a cyclic number.

It is not a de Polignac number, because 7272023 - 2⁴ = 7272007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7272023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242023) 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, 330536 + ... + 330557.

It is an arithmetic number, because the mean of its divisors is an integer number (1983282).

Almost surely, 2^7272023 is an apocalyptic number.

7272023 is a deficient number, since it is larger than the sum of its proper divisors (661105).

7272023 is a wasteful number, since it uses less digits than its factorization.

7272023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661104.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 7272023 is about 2696.6688710333. The cubic root of 7272023 is about 193.7396070735.

The spelling of 7272023 in words is "seven million, two hundred seventy-two thousand, twenty-three".