7489451 has 4 divisors (see below), whose sum is σ = 7518192. Its totient is φ = 7460712.

The previous prime is 7489423. The next prime is 7489457. The reversal of 7489451 is 1549847.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7489451 - 2⁶ = 7489387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7489457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13976 + ... + 14501.

It is an arithmetic number, because the mean of its divisors is an integer number (1879548).

Almost surely, 2^7489451 is an apocalyptic number.

7489451 is a deficient number, since it is larger than the sum of its proper divisors (28741).

7489451 is a wasteful number, since it uses less digits than its factorization.

7489451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28740.

The product of its digits is 40320, while the sum is 38.

The square root of 7489451 is about 2736.6861347257. The cubic root of 7489451 is about 195.6515658002.

The spelling of 7489451 in words is "seven million, four hundred eighty-nine thousand, four hundred fifty-one".