7042120872 has 64 divisors (see below), whose sum is σ = 17713728000. Its totient is φ = 2332963584.

The previous prime is 7042120853. The next prime is 7042120901. The reversal of 7042120872 is 2780212407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3285033 + ... + 3287175.

It is an arithmetic number, because the mean of its divisors is an integer number (276777000).

Almost surely, 2^7042120872 is an apocalyptic number.

It is an amenable number.

7042120872 is an abundant number, since it is smaller than the sum of its proper divisors (10671607128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7042120872 is a wasteful number, since it uses less digits than its factorization.

7042120872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930 (or 2926 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 7042120872 is about 83917.3454775590. The cubic root of 7042120872 is about 1916.7603853993.

The spelling of 7042120872 in words is "seven billion, forty-two million, one hundred twenty thousand, eight hundred seventy-two".