7065861 has 16 divisors (see below), whose sum is σ = 10610688. Its totient is φ = 4143600.

The previous prime is 7065847. The next prime is 7065871. The reversal of 7065861 is 1685607.

It is not a de Polignac number, because 7065861 - 2⁶ = 7065797 is a prime.

It is a super-3 number, since 3×7065861³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

7065861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7065811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431 + ... + 4476.

It is an arithmetic number, because the mean of its divisors is an integer number (663168).

Almost surely, 2^7065861 is an apocalyptic number.

It is an amenable number.

7065861 is a deficient number, since it is larger than the sum of its proper divisors (3544827).

7065861 is a wasteful number, since it uses less digits than its factorization.

7065861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 7065861 is about 2658.1687305361. The cubic root of 7065861 is about 191.8911872588.

The spelling of 7065861 in words is "seven million, sixty-five thousand, eight hundred sixty-one".