472728371 has 2 divisors, whose sum is σ = 472728372. Its totient is φ = 472728370.

The previous prime is 472728329. The next prime is 472728383. The reversal of 472728371 is 173827274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472728371 is a prime.

It is a super-2 number, since 2×472728371² = 446944225496627282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472728271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236364185 + 236364186.

It is an arithmetic number, because the mean of its divisors is an integer number (236364186).

Almost surely, 2^472728371 is an apocalyptic number.

472728371 is a deficient number, since it is larger than the sum of its proper divisors (1).

472728371 is an equidigital number, since it uses as much as digits as its factorization.

472728371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131712, while the sum is 41.

The square root of 472728371 is about 21742.3175167690. The cubic root of 472728371 is about 778.9995781430. Note that the first 3 decimals are identical.

The spelling of 472728371 in words is "four hundred seventy-two million, seven hundred twenty-eight thousand, three hundred seventy-one".