8722451 has 8 divisors (see below), whose sum is σ = 9252384. Its totient is φ = 8205120.

The previous prime is 8722447. The next prime is 8722459. The reversal of 8722451 is 1542278.

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 8722451 - 2² = 8722447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8722459) 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, 1706 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (1156548).

Almost surely, 2^8722451 is an apocalyptic number.

8722451 is a deficient number, since it is larger than the sum of its proper divisors (529933).

8722451 is a wasteful number, since it uses less digits than its factorization.

8722451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6301.

The product of its digits is 4480, while the sum is 29.

The square root of 8722451 is about 2953.3795895550. The cubic root of 8722451 is about 205.8477761269.

The spelling of 8722451 in words is "eight million, seven hundred twenty-two thousand, four hundred fifty-one".