42151672 has 8 divisors (see below), whose sum is σ = 79034400. Its totient is φ = 21075832.

The previous prime is 42151667. The next prime is 42151673. The reversal of 42151672 is 27615124.

42151672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 42151672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42151673) 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 as a sum of consecutive naturals, namely, 2634472 + ... + 2634487.

It is an arithmetic number, because the mean of its divisors is an integer number (9879300).

Almost surely, 2^42151672 is an apocalyptic number.

It is an amenable number.

42151672 is a deficient number, since it is larger than the sum of its proper divisors (36882728).

42151672 is a wasteful number, since it uses less digits than its factorization.

42151672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268965 (or 5268961 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 42151672 is about 6492.4319018377. The cubic root of 42151672 is about 348.0205871469.

Adding to 42151672 its reverse (27615124), we get a palindrome (69766796).

The spelling of 42151672 in words is "forty-two million, one hundred fifty-one thousand, six hundred seventy-two".