7006840078 has 16 divisors (see below), whose sum is σ = 12038020704. Its totient is φ = 2996357760.

The previous prime is 7006840051. The next prime is 7006840079. The reversal of 7006840078 is 8700486007.

It is a self number, because there is not a number n which added to its sum of digits gives 7006840078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7006840079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541183 + ... + 553978.

It is an arithmetic number, because the mean of its divisors is an integer number (752376294).

Almost surely, 2^7006840078 is an apocalyptic number.

7006840078 is a deficient number, since it is larger than the sum of its proper divisors (5031180626).

7006840078 is a wasteful number, since it uses less digits than its factorization.

7006840078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095627.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 7006840078 is about 83706.8699570113. The cubic root of 7006840078 is about 1913.5540560544.

The spelling of 7006840078 in words is "seven billion, six million, eight hundred forty thousand, seventy-eight".