7069729987 has 4 divisors (see below), whose sum is σ = 7159220320. Its totient is φ = 6980239656.

The previous prime is 7069729951. The next prime is 7069730021. The reversal of 7069729987 is 7899279607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7899279607 = 61 ⋅129496387.

It is not a de Polignac number, because 7069729987 - 2²³ = 7061341379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7069729187) 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, 44745048 + ... + 44745205.

It is an arithmetic number, because the mean of its divisors is an integer number (1789805080).

Almost surely, 2^7069729987 is an apocalyptic number.

7069729987 is a deficient number, since it is larger than the sum of its proper divisors (89490333).

7069729987 is an equidigital number, since it uses as much as digits as its factorization.

7069729987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89490332.

The product of its (nonzero) digits is 24004512, while the sum is 64.

The square root of 7069729987 is about 84081.6863948387. The cubic root of 7069729987 is about 1919.2620488523.

The spelling of 7069729987 in words is "seven billion, sixty-nine million, seven hundred twenty-nine thousand, nine hundred eighty-seven".