7073139 has 16 divisors (see below), whose sum is σ = 10039680. Its totient is φ = 4414080.

The previous prime is 7073137. The next prime is 7073147. The reversal of 7073139 is 9313707.

It is not a de Polignac number, because 7073139 - 2¹ = 7073137 is a prime.

7073139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7073137) 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, 16672 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (627480).

Almost surely, 2^7073139 is an apocalyptic number.

7073139 is a deficient number, since it is larger than the sum of its proper divisors (2966541).

7073139 is a wasteful number, since it uses less digits than its factorization.

7073139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 7073139 is about 2659.5373657838. The cubic root of 7073139 is about 191.9570487691.

The spelling of 7073139 in words is "seven million, seventy-three thousand, one hundred thirty-nine".