7649401 has 4 divisors (see below), whose sum is σ = 7660900. Its totient is φ = 7637904.

The previous prime is 7649393. The next prime is 7649413. The reversal of 7649401 is 1049467.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2131600 + 5517801 = 1460^2 + 2349^2 .

It is a cyclic number.

It is not a de Polignac number, because 7649401 - 2³ = 7649393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7649431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4686 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (1915225).

Almost surely, 2^7649401 is an apocalyptic number.

It is an amenable number.

7649401 is a deficient number, since it is larger than the sum of its proper divisors (11499).

7649401 is a wasteful number, since it uses less digits than its factorization.

7649401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11498.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7649401 is about 2765.7550506146. The cubic root of 7649401 is about 197.0345907119.

The spelling of 7649401 in words is "seven million, six hundred forty-nine thousand, four hundred one".