7872444134 has 8 divisors (see below), whose sum is σ = 11812887480. Its totient is φ = 3934814976.

The previous prime is 7872444119. The next prime is 7872444137. The reversal of 7872444134 is 4314442787.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872444137) 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, 696539 + ... + 707750.

It is an arithmetic number, because the mean of its divisors is an integer number (1476610935).

Almost surely, 2^7872444134 is an apocalyptic number.

7872444134 is a deficient number, since it is larger than the sum of its proper divisors (3940443346).

7872444134 is a wasteful number, since it uses less digits than its factorization.

7872444134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407094.

The product of its digits is 602112, while the sum is 44.

The square root of 7872444134 is about 88726.7949043580. The cubic root of 7872444134 is about 1989.3133438961.

The spelling of 7872444134 in words is "seven billion, eight hundred seventy-two million, four hundred forty-four thousand, one hundred thirty-four".