472427491 has 2 divisors, whose sum is σ = 472427492. Its totient is φ = 472427490.

The previous prime is 472427479. The next prime is 472427537. The reversal of 472427491 is 194724274.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472427491 - 2⁹ = 472426979 is a prime.

It is not a weakly prime, because it can be changed into another prime (472427401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236213745 + 236213746.

It is an arithmetic number, because the mean of its divisors is an integer number (236213746).

Almost surely, 2^472427491 is an apocalyptic number.

472427491 is a deficient number, since it is larger than the sum of its proper divisors (1).

472427491 is an equidigital number, since it uses as much as digits as its factorization.

472427491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 472427491 is about 21735.3971898376. The cubic root of 472427491 is about 778.8342716993.

The spelling of 472427491 in words is "four hundred seventy-two million, four hundred twenty-seven thousand, four hundred ninety-one".