7645649382 has 48 divisors (see below), whose sum is σ = 19099660320. Its totient is φ = 2165135616.

The previous prime is 7645649353. The next prime is 7645649387. The reversal of 7645649382 is 2839465467.

7645649382 is a `hidden beast` number, since 76 + 4 + 5 + 6 + 493 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7645649387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254257 + ... + 282732.

It is an arithmetic number, because the mean of its divisors is an integer number (397909590).

Almost surely, 2^7645649382 is an apocalyptic number.

7645649382 is an abundant number, since it is smaller than the sum of its proper divisors (11454010938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7645649382 is a wasteful number, since it uses less digits than its factorization.

7645649382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537117 (or 537114 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 7645649382 is about 87439.4040578960. The cubic root of 7645649382 is about 1970.0237383656.

The spelling of 7645649382 in words is "seven billion, six hundred forty-five million, six hundred forty-nine thousand, three hundred eighty-two".