42072753 has 4 divisors (see below), whose sum is σ = 56097008. Its totient is φ = 28048500.

The previous prime is 42072731. The next prime is 42072763. The reversal of 42072753 is 35727024.

42072753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42072753 - 2¹⁸ = 41810609 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 42072753.

It is not an unprimeable number, because it can be changed into a prime (42072763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7012123 + ... + 7012128.

It is an arithmetic number, because the mean of its divisors is an integer number (14024252).

Almost surely, 2^42072753 is an apocalyptic number.

It is an amenable number.

42072753 is a deficient number, since it is larger than the sum of its proper divisors (14024255).

42072753 is a wasteful number, since it uses less digits than its factorization.

42072753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14024254.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 42072753 is about 6486.3512855842. The cubic root of 42072753 is about 347.8032561443.

Adding to 42072753 its reverse (35727024), we get a palindrome (77799777).

The spelling of 42072753 in words is "forty-two million, seventy-two thousand, seven hundred fifty-three".