8070991 has 8 divisors (see below), whose sum is σ = 8524400. Its totient is φ = 7620480.

The previous prime is 8070989. The next prime is 8071009. The reversal of 8070991 is 1990708.

8070991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8070991 - 2¹ = 8070989 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8070901) 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, 7495 + ... + 8503.

It is an arithmetic number, because the mean of its divisors is an integer number (1065550).

Almost surely, 2^8070991 is an apocalyptic number.

8070991 is a deficient number, since it is larger than the sum of its proper divisors (453409).

8070991 is a wasteful number, since it uses less digits than its factorization.

8070991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 8070991 is about 2840.9489611748. The cubic root of 8070991 is about 200.5898503394.

The spelling of 8070991 in words is "eight million, seventy thousand, nine hundred ninety-one".