7320706 has 4 divisors (see below), whose sum is σ = 10981062. Its totient is φ = 3660352.

The previous prime is 7320701. The next prime is 7320721. The reversal of 7320706 is 6070237.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3767481 + 3553225 = 1941^2 + 1885^2 .

It is not an unprimeable number, because it can be changed into a prime (7320701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830175 + ... + 1830178.

Almost surely, 2^7320706 is an apocalyptic number.

7320706 is a deficient number, since it is larger than the sum of its proper divisors (3660356).

7320706 is a wasteful number, since it uses less digits than its factorization.

7320706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660355.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 7320706 is about 2705.6803211023. The cubic root of 7320706 is about 194.1709797425.

The spelling of 7320706 in words is "seven million, three hundred twenty thousand, seven hundred six".