452886721 has 8 divisors (see below), whose sum is σ = 540088704. Its totient is φ = 371310720.

The previous prime is 452886713. The next prime is 452886737. The reversal of 452886721 is 127688254.

It is a happy number.

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 452886721 - 2³ = 452886713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452886751) 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, 1406320 + ... + 1406641.

It is an arithmetic number, because the mean of its divisors is an integer number (67511088).

Almost surely, 2^452886721 is an apocalyptic number.

It is an amenable number.

452886721 is a deficient number, since it is larger than the sum of its proper divisors (87201983).

452886721 is a wasteful number, since it uses less digits than its factorization.

452886721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812991.

The product of its digits is 215040, while the sum is 43.

The square root of 452886721 is about 21281.1353315560. The cubic root of 452886721 is about 767.9445495130.

The spelling of 452886721 in words is "four hundred fifty-two million, eight hundred eighty-six thousand, seven hundred twenty-one".