7070091 has 8 divisors (see below), whose sum is σ = 10773504. Its totient is φ = 4040040.

The previous prime is 7070087. The next prime is 7070093. The reversal of 7070091 is 1900707.

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

It is not a de Polignac number, because 7070091 - 2² = 7070087 is a prime.

It is an Ulam number.

7070091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7070093) by changing a digit.

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, 168315 + ... + 168356.

It is an arithmetic number, because the mean of its divisors is an integer number (1346688).

Almost surely, 2^7070091 is an apocalyptic number.

7070091 is a deficient number, since it is larger than the sum of its proper divisors (3703413).

7070091 is a wasteful number, since it uses less digits than its factorization.

7070091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336681.

The product of its (nonzero) digits is 441, while the sum is 24.

The square root of 7070091 is about 2658.9642720428. The cubic root of 7070091 is about 191.9294717085.

Adding to 7070091 its reverse (1900707), we get a palindrome (8970798).

The spelling of 7070091 in words is "seven million, seventy thousand, ninety-one".