472131761 has 4 divisors (see below), whose sum is σ = 472180800. Its totient is φ = 472082724.

The previous prime is 472131719. The next prime is 472131799. The reversal of 472131761 is 167131274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 472131761 - 2⁶ = 472131697 is a prime.

It is a super-2 number, since 2×472131761² = 445816799489922242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472131061) 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 3 ways as a sum of consecutive naturals, for example, 4781 + ... + 31098.

It is an arithmetic number, because the mean of its divisors is an integer number (118045200).

Almost surely, 2^472131761 is an apocalyptic number.

It is an amenable number.

472131761 is a deficient number, since it is larger than the sum of its proper divisors (49039).

472131761 is a wasteful number, since it uses less digits than its factorization.

472131761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49038.

The product of its digits is 7056, while the sum is 32.

The square root of 472131761 is about 21728.5931666088. The cubic root of 472131761 is about 778.6717263071.

The spelling of 472131761 in words is "four hundred seventy-two million, one hundred thirty-one thousand, seven hundred sixty-one".