472071427 has 2 divisors, whose sum is σ = 472071428. Its totient is φ = 472071426.

The previous prime is 472071421. The next prime is 472071437. The reversal of 472071427 is 724170274.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472071427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 472071392 and 472071401.

It is not a weakly prime, because it can be changed into another prime (472071421) 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, 236035713 + 236035714.

It is an arithmetic number, because the mean of its divisors is an integer number (236035714).

Almost surely, 2^472071427 is an apocalyptic number.

472071427 is a deficient number, since it is larger than the sum of its proper divisors (1).

472071427 is an equidigital number, since it uses as much as digits as its factorization.

472071427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 472071427 is about 21727.2047672958. The cubic root of 472071427 is about 778.6385559190.

The spelling of 472071427 in words is "four hundred seventy-two million, seventy-one thousand, four hundred twenty-seven".