7669649 has 16 divisors (see below), whose sum is σ = 8733312. Its totient is φ = 6682368.

The previous prime is 7669589. The next prime is 7669663. The reversal of 7669649 is 9469667.

It is not a de Polignac number, because 7669649 - 2⁸ = 7669393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7669699) 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 15 ways as a sum of consecutive naturals, for example, 33674 + ... + 33900.

It is an arithmetic number, because the mean of its divisors is an integer number (545832).

Almost surely, 2^7669649 is an apocalyptic number.

It is an amenable number.

7669649 is a deficient number, since it is larger than the sum of its proper divisors (1063663).

7669649 is a wasteful number, since it uses less digits than its factorization.

7669649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its digits is 489888, while the sum is 47.

The square root of 7669649 is about 2769.4131147230. The cubic root of 7669649 is about 197.2082880352.

The spelling of 7669649 in words is "seven million, six hundred sixty-nine thousand, six hundred forty-nine".