7649329 has 4 divisors (see below), whose sum is σ = 7835940. Its totient is φ = 7462720.

The previous prime is 7649311. The next prime is 7649347. The reversal of 7649329 is 9239467.

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

It is an interprime number because it is at equal distance from previous prime (7649311) and next prime (7649347).

It can be written as a sum of positive squares in 2 ways, for example, as 1817104 + 5832225 = 1348^2 + 2415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7649329 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7649291 and 7649300.

It is not an unprimeable number, because it can be changed into a prime (7649029) 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 3 ways as a sum of consecutive naturals, for example, 93244 + ... + 93325.

It is an arithmetic number, because the mean of its divisors is an integer number (1958985).

Almost surely, 2^7649329 is an apocalyptic number.

It is an amenable number.

7649329 is a deficient number, since it is larger than the sum of its proper divisors (186611).

7649329 is a wasteful number, since it uses less digits than its factorization.

7649329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186610.

The product of its digits is 81648, while the sum is 40.

The square root of 7649329 is about 2765.7420342469. The cubic root of 7649329 is about 197.0339725138.

The spelling of 7649329 in words is "seven million, six hundred forty-nine thousand, three hundred twenty-nine".