1472730569 has 2 divisors, whose sum is σ = 1472730570. Its totient is φ = 1472730568.

The previous prime is 1472730563. The next prime is 1472730629. The reversal of 1472730569 is 9650372741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1420385344 + 52345225 = 37688^2 + 7235^2 .

It is an emirp because it is prime and its reverse (9650372741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1472730569 - 2⁸ = 1472730313 is a prime.

It is a super-2 number, since 2×1472730569² = 4337870657734127522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1472730563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736365284 + 736365285.

It is an arithmetic number, because the mean of its divisors is an integer number (736365285).

Almost surely, 2^1472730569 is an apocalyptic number.

It is an amenable number.

1472730569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1472730569 is an equidigital number, since it uses as much as digits as its factorization.

1472730569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 1472730569 is about 38376.1718909013. The cubic root of 1472730569 is about 1137.7349529399.

The spelling of 1472730569 in words is "one billion, four hundred seventy-two million, seven hundred thirty thousand, five hundred sixty-nine".