7072719385 has 8 divisors (see below), whose sum is σ = 8487742536. Its totient is φ = 5657856000.

The previous prime is 7072719337. The next prime is 7072719403. The reversal of 7072719385 is 5839172707.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2374028176 + 4698691209 = 48724^2 + 68547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7072719385 - 2³¹ = 4925235737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105817 + ... + 159193.

It is an arithmetic number, because the mean of its divisors is an integer number (1060967817).

Almost surely, 2^7072719385 is an apocalyptic number.

It is an amenable number.

7072719385 is a deficient number, since it is larger than the sum of its proper divisors (1415023151).

7072719385 is a wasteful number, since it uses less digits than its factorization.

7072719385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79883.

The product of its (nonzero) digits is 740880, while the sum is 49.

The square root of 7072719385 is about 84099.4612646240. The cubic root of 7072719385 is about 1919.5325273406.

The spelling of 7072719385 in words is "seven billion, seventy-two million, seven hundred nineteen thousand, three hundred eighty-five".