404300072 has 32 divisors (see below), whose sum is σ = 862937280. Its totient is φ = 175781760.

The previous prime is 404300053. The next prime is 404300081. The reversal of 404300072 is 270003404.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97853 + ... + 101900.

It is an arithmetic number, because the mean of its divisors is an integer number (26966790).

Almost surely, 2^404300072 is an apocalyptic number.

It is an amenable number.

404300072 is an abundant number, since it is smaller than the sum of its proper divisors (458637208).

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

404300072 is a wasteful number, since it uses less digits than its factorization.

404300072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199793 (or 199789 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 404300072 is about 20107.2144266679. The cubic root of 404300072 is about 739.4371614991.

Adding to 404300072 its reverse (270003404), we get a palindrome (674303476).

The spelling of 404300072 in words is "four hundred four million, three hundred thousand, seventy-two".