7872134 has 8 divisors (see below), whose sum is σ = 12008520. Its totient is φ = 3869296.

The previous prime is 7872131. The next prime is 7872149. The reversal of 7872134 is 4312787.

It is a happy number.

7872134 is nontrivially palindromic in base 12.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7872134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33239 + ... + 33474.

It is an arithmetic number, because the mean of its divisors is an integer number (1501065).

Almost surely, 2^7872134 is an apocalyptic number.

7872134 is a deficient number, since it is larger than the sum of its proper divisors (4136386).

7872134 is a wasteful number, since it uses less digits than its factorization.

7872134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66774.

The product of its digits is 9408, while the sum is 32.

The square root of 7872134 is about 2805.7323464650. The cubic root of 7872134 is about 198.9287220632.

The spelling of 7872134 in words is "seven million, eight hundred seventy-two thousand, one hundred thirty-four".