7628249 has 4 divisors (see below), whose sum is σ = 7959936. Its totient is φ = 7296564.

The previous prime is 7628221. The next prime is 7628251. The reversal of 7628249 is 9428267.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7628249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7628209) 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, 165809 + ... + 165854.

It is an arithmetic number, because the mean of its divisors is an integer number (1989984).

Almost surely, 2^7628249 is an apocalyptic number.

It is an amenable number.

7628249 is a deficient number, since it is larger than the sum of its proper divisors (331687).

7628249 is a wasteful number, since it uses less digits than its factorization.

7628249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331686.

The product of its digits is 48384, while the sum is 38.

The square root of 7628249 is about 2761.9284929194. The cubic root of 7628249 is about 196.8528107687.

The spelling of 7628249 in words is "seven million, six hundred twenty-eight thousand, two hundred forty-nine".