42372879 has 8 divisors (see below), whose sum is σ = 56534832. Its totient is φ = 28229760.

The previous prime is 42372821. The next prime is 42372893. The reversal of 42372879 is 97827324.

42372879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42372879 - 2⁷ = 42372751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42372879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42372079) 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 7 ways as a sum of consecutive naturals, for example, 1849 + ... + 9389.

It is an arithmetic number, because the mean of its divisors is an integer number (7066854).

Almost surely, 2^42372879 is an apocalyptic number.

42372879 is a deficient number, since it is larger than the sum of its proper divisors (14161953).

42372879 is a wasteful number, since it uses less digits than its factorization.

42372879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417.

The product of its digits is 169344, while the sum is 42.

The square root of 42372879 is about 6509.4453680786. The cubic root of 42372879 is about 348.6283156106.

The spelling of 42372879 in words is "forty-two million, three hundred seventy-two thousand, eight hundred seventy-nine".