472749769 has 2 divisors, whose sum is σ = 472749770. Its totient is φ = 472749768.

The previous prime is 472749731. The next prime is 472749847. The reversal of 472749769 is 967947274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259210000 + 213539769 = 16100^2 + 14613^2 .

It is a cyclic number.

It is not a de Polignac number, because 472749769 - 2¹⁵ = 472717001 is a prime.

It is a super-2 number, since 2×472749769² = 446984688179106722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (472749569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236374884 + 236374885.

It is an arithmetic number, because the mean of its divisors is an integer number (236374885).

Almost surely, 2^472749769 is an apocalyptic number.

It is an amenable number.

472749769 is a deficient number, since it is larger than the sum of its proper divisors (1).

472749769 is an equidigital number, since it uses as much as digits as its factorization.

472749769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 55.

The square root of 472749769 is about 21742.8095930586. The cubic root of 472749769 is about 779.0113317436.

The spelling of 472749769 in words is "four hundred seventy-two million, seven hundred forty-nine thousand, seven hundred sixty-nine".