455674721 has 8 divisors (see below), whose sum is σ = 468744744. Its totient is φ = 442644480.

The previous prime is 455674717. The next prime is 455674727. The reversal of 455674721 is 127476554.

It can be written as a sum of positive squares in 4 ways, for example, as 380679121 + 74995600 = 19511^2 + 8660^2 .

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 455674721 - 2² = 455674717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455674727) 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 7 ways as a sum of consecutive naturals, for example, 14111 + ... + 33323.

It is an arithmetic number, because the mean of its divisors is an integer number (58593093).

Almost surely, 2^455674721 is an apocalyptic number.

It is an amenable number.

455674721 is a deficient number, since it is larger than the sum of its proper divisors (13070023).

455674721 is a wasteful number, since it uses less digits than its factorization.

455674721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19891.

The product of its digits is 235200, while the sum is 41.

The square root of 455674721 is about 21346.5388529382. The cubic root of 455674721 is about 769.5171656741.

The spelling of 455674721 in words is "four hundred fifty-five million, six hundred seventy-four thousand, seven hundred twenty-one".