7205966 has 4 divisors (see below), whose sum is σ = 10808952. Its totient is φ = 3602982.

The previous prime is 7205963. The next prime is 7205971. The reversal of 7205966 is 6695027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6695027 = 29 ⋅230863.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7205963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1801490 + ... + 1801493.

It is an arithmetic number, because the mean of its divisors is an integer number (2702238).

Almost surely, 2^7205966 is an apocalyptic number.

7205966 is a deficient number, since it is larger than the sum of its proper divisors (3602986).

7205966 is a wasteful number, since it uses less digits than its factorization.

7205966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602985.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 7205966 is about 2684.3930412665. The cubic root of 7205966 is about 193.1511965455.

The spelling of 7205966 in words is "seven million, two hundred five thousand, nine hundred sixty-six".