472738511 has 4 divisors (see below), whose sum is σ = 540272592. Its totient is φ = 405204432.

The previous prime is 472738493. The next prime is 472738523. The reversal of 472738511 is 115837274.

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

It is a cyclic number.

It is not a de Polignac number, because 472738511 - 2¹⁰ = 472737487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472738531) 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 in 3 ways as a sum of consecutive naturals, for example, 33767030 + ... + 33767043.

It is an arithmetic number, because the mean of its divisors is an integer number (135068148).

Almost surely, 2^472738511 is an apocalyptic number.

472738511 is a deficient number, since it is larger than the sum of its proper divisors (67534081).

472738511 is an equidigital number, since it uses as much as digits as its factorization.

472738511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67534080.

The product of its digits is 47040, while the sum is 38.

The square root of 472738511 is about 21742.5507013322. The cubic root of 472738511 is about 779.0051479372.

The spelling of 472738511 in words is "four hundred seventy-two million, seven hundred thirty-eight thousand, five hundred eleven".