7657982 has 8 divisors (see below), whose sum is σ = 11520576. Its totient is φ = 3817792.

The previous prime is 7657967. The next prime is 7657987. The reversal of 7657982 is 2897567.

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

It is a d-powerful number, because it can be written as 7 + 6⁷ + 5⁹ + 7⁶ + 9⁷ + 8 + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7657987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718 + ... + 6129.

It is an arithmetic number, because the mean of its divisors is an integer number (1440072).

Almost surely, 2^7657982 is an apocalyptic number.

7657982 is a deficient number, since it is larger than the sum of its proper divisors (3862594).

7657982 is a wasteful number, since it uses less digits than its factorization.

7657982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11202.

The product of its digits is 211680, while the sum is 44.

The square root of 7657982 is about 2767.3059100866. The cubic root of 7657982 is about 197.1082401386.

The spelling of 7657982 in words is "seven million, six hundred fifty-seven thousand, nine hundred eighty-two".