7978462 has 8 divisors (see below), whose sum is σ = 12131856. Its totient is φ = 3934512.

The previous prime is 7978459. The next prime is 7978463. The reversal of 7978462 is 2648797.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7978463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27178 + ... + 27469.

It is an arithmetic number, because the mean of its divisors is an integer number (1516482).

Almost surely, 2^7978462 is an apocalyptic number.

7978462 is a deficient number, since it is larger than the sum of its proper divisors (4153394).

7978462 is a wasteful number, since it uses less digits than its factorization.

7978462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54722.

The product of its digits is 169344, while the sum is 43.

The square root of 7978462 is about 2824.6171421982. The cubic root of 7978462 is about 199.8203553540.

The spelling of 7978462 in words is "seven million, nine hundred seventy-eight thousand, four hundred sixty-two".