7542723723 has 4 divisors (see below), whose sum is σ = 10056964968. Its totient is φ = 5028482480.

The previous prime is 7542723703. The next prime is 7542723737. The reversal of 7542723723 is 3273272457.

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 7542723723 - 2⁵ = 7542723691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7542723703) 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, 1257120618 + ... + 1257120623.

It is an arithmetic number, because the mean of its divisors is an integer number (2514241242).

Almost surely, 2^7542723723 is an apocalyptic number.

7542723723 is a deficient number, since it is larger than the sum of its proper divisors (2514241245).

7542723723 is a wasteful number, since it uses less digits than its factorization.

7542723723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514241244.

The product of its digits is 493920, while the sum is 42.

The square root of 7542723723 is about 86848.8556228578. The cubic root of 7542723723 is about 1961.1436234210.

The spelling of 7542723723 in words is "seven billion, five hundred forty-two million, seven hundred twenty-three thousand, seven hundred twenty-three".