1790472617 has 2 divisors, whose sum is σ = 1790472618. Its totient is φ = 1790472616.

The previous prime is 1790472599. The next prime is 1790472643. The reversal of 1790472617 is 7162740971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1591690816 + 198781801 = 39896^2 + 14099^2 .

It is a cyclic number.

It is not a de Polignac number, because 1790472617 - 2¹² = 1790468521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1790472647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895236308 + 895236309.

It is an arithmetic number, because the mean of its divisors is an integer number (895236309).

Almost surely, 2^1790472617 is an apocalyptic number.

It is an amenable number.

1790472617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1790472617 is an equidigital number, since it uses as much as digits as its factorization.

1790472617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 1790472617 is about 42313.9766152982. The cubic root of 1790472617 is about 1214.2903988160.

The spelling of 1790472617 in words is "one billion, seven hundred ninety million, four hundred seventy-two thousand, six hundred seventeen".