455720774 has 4 divisors (see below), whose sum is σ = 683581164. Its totient is φ = 227860386.

The previous prime is 455720767. The next prime is 455720777. The reversal of 455720774 is 477027554.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455720777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113930192 + ... + 113930195.

It is an arithmetic number, because the mean of its divisors is an integer number (170895291).

Almost surely, 2^455720774 is an apocalyptic number.

455720774 is a deficient number, since it is larger than the sum of its proper divisors (227860390).

455720774 is a wasteful number, since it uses less digits than its factorization.

455720774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227860389.

The product of its (nonzero) digits is 274400, while the sum is 41.

The square root of 455720774 is about 21347.6175251479. The cubic root of 455720774 is about 769.5430886835.

The spelling of 455720774 in words is "four hundred fifty-five million, seven hundred twenty thousand, seven hundred seventy-four".