7981452 has 18 divisors (see below), whose sum is σ = 20175428. Its totient is φ = 2660472.

The previous prime is 7981447. The next prime is 7981453. The reversal of 7981452 is 2541897.

7981452 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 221707 = 7981452 / (7 + 9 + 8 + 1 + 4 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (7981453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110818 + ... + 110889.

Almost surely, 2^7981452 is an apocalyptic number.

It is an amenable number.

7981452 is an abundant number, since it is smaller than the sum of its proper divisors (12193976).

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

7981452 is a wasteful number, since it uses less digits than its factorization.

7981452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221717 (or 221712 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 7981452 is about 2825.1463678896. The cubic root of 7981452 is about 199.8453137250.

The spelling of 7981452 in words is "seven million, nine hundred eighty-one thousand, four hundred fifty-two".