472739147 has 2 divisors, whose sum is σ = 472739148. Its totient is φ = 472739146.

The previous prime is 472739129. The next prime is 472739153. The reversal of 472739147 is 741937274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472739147 - 2⁶ = 472739083 is a prime.

It is a super-2 number, since 2×472739147² = 446964602212575218, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 472739098 and 472739107.

It is not a weakly prime, because it can be changed into another prime (472739117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236369573 + 236369574.

It is an arithmetic number, because the mean of its divisors is an integer number (236369574).

Almost surely, 2^472739147 is an apocalyptic number.

472739147 is a deficient number, since it is larger than the sum of its proper divisors (1).

472739147 is an equidigital number, since it uses as much as digits as its factorization.

472739147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 44.

The square root of 472739147 is about 21742.5653270262. The cubic root of 472739147 is about 779.0054972826.

The spelling of 472739147 in words is "four hundred seventy-two million, seven hundred thirty-nine thousand, one hundred forty-seven".