7205861 has 16 divisors (see below), whose sum is σ = 8120448. Its totient is φ = 6350400.

The previous prime is 7205851. The next prime is 7205893. The reversal of 7205861 is 1685027.

7205861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7205861 - 2⁶ = 7205797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7205851) 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, 34046 + ... + 34256.

It is an arithmetic number, because the mean of its divisors is an integer number (507528).

Almost surely, 2^7205861 is an apocalyptic number.

7205861 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7205861 is a deficient number, since it is larger than the sum of its proper divisors (914587).

7205861 is a wasteful number, since it uses less digits than its factorization.

7205861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 7205861 is about 2684.3734837016. The cubic root of 7205861 is about 193.1502583889.

The spelling of 7205861 in words is "seven million, two hundred five thousand, eight hundred sixty-one".