7042378612 has 12 divisors (see below), whose sum is σ = 12624752196. Its totient is φ = 3435306560.

The previous prime is 7042378559. The next prime is 7042378613. The reversal of 7042378612 is 2168732407.

It can be written as a sum of positive squares in 2 ways, for example, as 551498256 + 6490880356 = 23484^2 + 80566^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042378613) 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, 21470503 + ... + 21470830.

It is an arithmetic number, because the mean of its divisors is an integer number (1052062683).

Almost surely, 2^7042378612 is an apocalyptic number.

It is an amenable number.

7042378612 is a deficient number, since it is larger than the sum of its proper divisors (5582373584).

7042378612 is a wasteful number, since it uses less digits than its factorization.

7042378612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42941378 (or 42941376 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 7042378612 is about 83918.8811412545. The cubic root of 7042378612 is about 1916.7837694434.

The spelling of 7042378612 in words is "seven billion, forty-two million, three hundred seventy-eight thousand, six hundred twelve".