7982457 has 8 divisors (see below), whose sum is σ = 12163776. Its totient is φ = 4561392.

The previous prime is 7982423. The next prime is 7982461. The reversal of 7982457 is 7542897.

7982457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7982457 - 2⁷ = 7982329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7982257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190038 + ... + 190079.

It is an arithmetic number, because the mean of its divisors is an integer number (1520472).

Almost surely, 2^7982457 is an apocalyptic number.

It is an amenable number.

7982457 is a deficient number, since it is larger than the sum of its proper divisors (4181319).

7982457 is a wasteful number, since it uses less digits than its factorization.

7982457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380127.

The product of its digits is 141120, while the sum is 42.

The square root of 7982457 is about 2825.3242291815. The cubic root of 7982457 is about 199.8537013429.

The spelling of 7982457 in words is "seven million, nine hundred eighty-two thousand, four hundred fifty-seven".