814455672 has 32 divisors (see below), whose sum is σ = 2143305600. Its totient is φ = 257196384.

The previous prime is 814455667. The next prime is 814455673. The reversal of 814455672 is 276554418.

It is a happy number.

814455672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814455673) 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, 892588 + ... + 893499.

It is an arithmetic number, because the mean of its divisors is an integer number (66978300).

Almost surely, 2^814455672 is an apocalyptic number.

It is an amenable number.

814455672 is an abundant number, since it is smaller than the sum of its proper divisors (1328849928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814455672 is a wasteful number, since it uses less digits than its factorization.

814455672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786115 (or 1786111 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 814455672 is about 28538.6697657757. The cubic root of 814455672 is about 933.8758629210.

The spelling of 814455672 in words is "eight hundred fourteen million, four hundred fifty-five thousand, six hundred seventy-two".