472056749 has 2 divisors, whose sum is σ = 472056750. Its totient is φ = 472056748.

The previous prime is 472056737. The next prime is 472056769. The reversal of 472056749 is 947650274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471541225 + 515524 = 21715^2 + 718^2 .

It is a cyclic number.

It is not a de Polignac number, because 472056749 - 2¹² = 472052653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472056769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236028374 + 236028375.

It is an arithmetic number, because the mean of its divisors is an integer number (236028375).

Almost surely, 2^472056749 is an apocalyptic number.

It is an amenable number.

472056749 is a deficient number, since it is larger than the sum of its proper divisors (1).

472056749 is an equidigital number, since it uses as much as digits as its factorization.

472056749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 472056749 is about 21726.8669853709. The cubic root of 472056749 is about 778.6304858301.

The spelling of 472056749 in words is "four hundred seventy-two million, fifty-six thousand, seven hundred forty-nine".