7978452 has 36 divisors (see below), whose sum is σ = 19036416. Its totient is φ = 2600720.

The previous prime is 7978441. The next prime is 7978459. The reversal of 7978452 is 2548797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7978459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41677 + ... + 41867.

Almost surely, 2^7978452 is an apocalyptic number.

It is an amenable number.

7978452 is an abundant number, since it is smaller than the sum of its proper divisors (11057964).

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

7978452 is a wasteful number, since it uses less digits than its factorization.

7978452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 255 counting only the distinct ones).

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

The square root of 7978452 is about 2824.6153720463. The cubic root of 7978452 is about 199.8202718707.

The spelling of 7978452 in words is "seven million, nine hundred seventy-eight thousand, four hundred fifty-two".