470090729 has 2 divisors, whose sum is σ = 470090730. Its totient is φ = 470090728.

The previous prime is 470090717. The next prime is 470090759. The reversal of 470090729 is 927090074.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395095129 + 74995600 = 19877^2 + 8660^2 .

It is a cyclic number.

It is not a de Polignac number, because 470090729 - 2⁴ = 470090713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 470090692 and 470090701.

It is not a weakly prime, because it can be changed into another prime (470090759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235045364 + 235045365.

It is an arithmetic number, because the mean of its divisors is an integer number (235045365).

Almost surely, 2^470090729 is an apocalyptic number.

It is an amenable number.

470090729 is a deficient number, since it is larger than the sum of its proper divisors (1).

470090729 is an equidigital number, since it uses as much as digits as its factorization.

470090729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 470090729 is about 21681.5757960532. The cubic root of 470090729 is about 777.5480360309.

The spelling of 470090729 in words is "four hundred seventy million, ninety thousand, seven hundred twenty-nine".