7982645 has 8 divisors (see below), whose sum is σ = 10450080. Its totient is φ = 5805520.

The previous prime is 7982629. The next prime is 7982651. The reversal of 7982645 is 5462897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7982645 - 2⁴ = 7982629 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 9 + 8³ + 2¹¹ + 6 + 4⁹ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72515 + ... + 72624.

It is an arithmetic number, because the mean of its divisors is an integer number (1306260).

Almost surely, 2^7982645 is an apocalyptic number.

It is an amenable number.

7982645 is a deficient number, since it is larger than the sum of its proper divisors (2467435).

7982645 is a wasteful number, since it uses less digits than its factorization.

7982645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145155.

The product of its digits is 120960, while the sum is 41.

The square root of 7982645 is about 2825.3574995034. The cubic root of 7982645 is about 199.8552702918.

It can be divided in two parts, 798 and 2645, that added together give a palindrome (3443).

The spelling of 7982645 in words is "seven million, nine hundred eighty-two thousand, six hundred forty-five".