404772067 has 16 divisors (see below), whose sum is σ = 488746240. Its totient is φ = 327470688.

The previous prime is 404772047. The next prime is 404772103. The reversal of 404772067 is 760277404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 404772067 - 2¹¹ = 404770019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404772047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31348 + ... + 42334.

It is an arithmetic number, because the mean of its divisors is an integer number (30546640).

Almost surely, 2^404772067 is an apocalyptic number.

404772067 is a deficient number, since it is larger than the sum of its proper divisors (83974173).

404772067 is a wasteful number, since it uses less digits than its factorization.

404772067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11290.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 404772067 is about 20118.9479595728. The cubic root of 404772067 is about 739.7247984460.

The spelling of 404772067 in words is "four hundred four million, seven hundred seventy-two thousand, sixty-seven".