7042875780 has 48 divisors (see below), whose sum is σ = 20043342144. Its totient is φ = 1847310720.

The previous prime is 7042875761. The next prime is 7042875781. The reversal of 7042875780 is 875782407.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7042875781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958482 + ... + 965801.

It is an arithmetic number, because the mean of its divisors is an integer number (417569628).

Almost surely, 2^7042875780 is an apocalyptic number.

It is an amenable number.

7042875780 is an abundant number, since it is smaller than the sum of its proper divisors (13000466364).

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

7042875780 is a wasteful number, since it uses less digits than its factorization.

7042875780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924356 (or 1924354 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 48.

The square root of 7042875780 is about 83921.8432829022. The cubic root of 7042875780 is about 1916.8288745223.

The spelling of 7042875780 in words is "seven billion, forty-two million, eight hundred seventy-five thousand, seven hundred eighty".