7978602 has 8 divisors (see below), whose sum is σ = 15957216. Its totient is φ = 2659532.

The previous prime is 7978577. The next prime is 7978603. The reversal of 7978602 is 2068797.

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

7978602 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (7978603) 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, 664878 + ... + 664889.

It is an arithmetic number, because the mean of its divisors is an integer number (1994652).

Almost surely, 2^7978602 is an apocalyptic number.

7978602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7978602 is a wasteful number, since it uses less digits than its factorization.

7978602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329772.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 7978602 is about 2824.6419242092. The cubic root of 7978602 is about 199.8215241125.

The spelling of 7978602 in words is "seven million, nine hundred seventy-eight thousand, six hundred two".