7065981 has 32 divisors (see below), whose sum is σ = 11571840. Its totient is φ = 4233600.

The previous prime is 7065973. The next prime is 7065983. The reversal of 7065981 is 1895607.

7065981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7065981 - 2³ = 7065973 is a prime.

It is a super-2 number, since 2×7065981² = 99856174984722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7065983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14146 + ... + 14636.

It is an arithmetic number, because the mean of its divisors is an integer number (361620).

Almost surely, 2^7065981 is an apocalyptic number.

It is an amenable number.

7065981 is a deficient number, since it is larger than the sum of its proper divisors (4505859).

7065981 is a wasteful number, since it uses less digits than its factorization.

7065981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 7065981 is about 2658.1913023708. The cubic root of 7065981 is about 191.8922735530.

The spelling of 7065981 in words is "seven million, sixty-five thousand, nine hundred eighty-one".