472751731 has 2 divisors, whose sum is σ = 472751732. Its totient is φ = 472751730.

The previous prime is 472751693. The next prime is 472751777. The reversal of 472751731 is 137157274.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472751731 - 2¹³ = 472743539 is a prime.

It is a super-2 number, since 2×472751731² = 446988398326992722, which contains 22 as substring.

It is a Chen prime.

It is equal to p_24993532 and since 472751731 and 24993532 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (472751831) 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 as a sum of consecutive naturals, namely, 236375865 + 236375866.

It is an arithmetic number, because the mean of its divisors is an integer number (236375866).

Almost surely, 2^472751731 is an apocalyptic number.

472751731 is a deficient number, since it is larger than the sum of its proper divisors (1).

472751731 is an equidigital number, since it uses as much as digits as its factorization.

472751731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 37.

The square root of 472751731 is about 21742.8547113759. The cubic root of 472751731 is about 779.0124094231.

The spelling of 472751731 in words is "four hundred seventy-two million, seven hundred fifty-one thousand, seven hundred thirty-one".