472461447 has 4 divisors (see below), whose sum is σ = 629948600. Its totient is φ = 314974296.

The previous prime is 472461419. The next prime is 472461497. The reversal of 472461447 is 744164274.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 472461447 - 2⁸ = 472461191 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 (472461497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78743572 + ... + 78743577.

It is an arithmetic number, because the mean of its divisors is an integer number (157487150).

Almost surely, 2^472461447 is an apocalyptic number.

472461447 is a deficient number, since it is larger than the sum of its proper divisors (157487153).

472461447 is a wasteful number, since it uses less digits than its factorization.

472461447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157487152.

The product of its digits is 150528, while the sum is 39.

The square root of 472461447 is about 21736.1782979437. The cubic root of 472461447 is about 778.8529309740.

The spelling of 472461447 in words is "four hundred seventy-two million, four hundred sixty-one thousand, four hundred forty-seven".