472924247 has 4 divisors (see below), whose sum is σ = 481847400. Its totient is φ = 464001096.

The previous prime is 472924163. The next prime is 472924259. The reversal of 472924247 is 742429274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742429274 = 2 ⋅371214637.

It is a cyclic number.

It is not a de Polignac number, because 472924247 - 2⁸ = 472923991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472924267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4461497 + ... + 4461602.

It is an arithmetic number, because the mean of its divisors is an integer number (120461850).

Almost surely, 2^472924247 is an apocalyptic number.

472924247 is a deficient number, since it is larger than the sum of its proper divisors (8923153).

472924247 is an equidigital number, since it uses as much as digits as its factorization.

472924247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923152.

The product of its digits is 225792, while the sum is 41.

The square root of 472924247 is about 21746.8215378708. The cubic root of 472924247 is about 779.1071566600.

The spelling of 472924247 in words is "four hundred seventy-two million, nine hundred twenty-four thousand, two hundred forty-seven".