7489021 has 8 divisors (see below), whose sum is σ = 7908320. Its totient is φ = 7072272.

The previous prime is 7488991. The next prime is 7489033. The reversal of 7489021 is 1209847.

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

It is a cyclic number.

It is not a de Polignac number, because 7489021 - 2⁷ = 7488893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7489051) 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, 11326 + ... + 11968.

It is an arithmetic number, because the mean of its divisors is an integer number (988540).

Almost surely, 2^7489021 is an apocalyptic number.

It is an amenable number.

7489021 is a deficient number, since it is larger than the sum of its proper divisors (419299).

7489021 is a wasteful number, since it uses less digits than its factorization.

7489021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 7489021 is about 2736.6075714285. The cubic root of 7489021 is about 195.6478213431.

The spelling of 7489021 in words is "seven million, four hundred eighty-nine thousand, twenty-one".