7322649 has 4 divisors (see below), whose sum is σ = 9763536. Its totient is φ = 4881764.

The previous prime is 7322621. The next prime is 7322663. The reversal of 7322649 is 9462237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9462237 = 3 ⋅3154079.

It is a cyclic number.

It is not a de Polignac number, because 7322649 - 2⁵ = 7322617 is a prime.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7322669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220439 + ... + 1220444.

It is an arithmetic number, because the mean of its divisors is an integer number (2440884).

Almost surely, 2^7322649 is an apocalyptic number.

It is an amenable number.

7322649 is a deficient number, since it is larger than the sum of its proper divisors (2440887).

7322649 is a wasteful number, since it uses less digits than its factorization.

7322649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440886.

The product of its digits is 18144, while the sum is 33.

The square root of 7322649 is about 2706.0393566983. The cubic root of 7322649 is about 194.1881566305.

It can be divided in two parts, 73 and 22649, that added together give a palindrome (22722).

The spelling of 7322649 in words is "seven million, three hundred twenty-two thousand, six hundred forty-nine".