472780237 has 2 divisors, whose sum is σ = 472780238. Its totient is φ = 472780236.

The previous prime is 472780229. The next prime is 472780241. The reversal of 472780237 is 732087274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261339556 + 211440681 = 16166^2 + 14541^2 .

It is a cyclic number.

It is not a de Polignac number, because 472780237 - 2³ = 472780229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472780237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472780277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236390118 + 236390119.

It is an arithmetic number, because the mean of its divisors is an integer number (236390119).

Almost surely, 2^472780237 is an apocalyptic number.

It is an amenable number.

472780237 is a deficient number, since it is larger than the sum of its proper divisors (1).

472780237 is an equidigital number, since it uses as much as digits as its factorization.

472780237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 472780237 is about 21743.5102271919. The cubic root of 472780237 is about 779.0280667473.

The spelling of 472780237 in words is "four hundred seventy-two million, seven hundred eighty thousand, two hundred thirty-seven".