632947471 has 4 divisors (see below), whose sum is σ = 681635752. Its totient is φ = 584259192.

The previous prime is 632947439. The next prime is 632947499. The reversal of 632947471 is 174749236.

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

It is a cyclic number.

It is not a de Polignac number, because 632947471 - 2⁵ = 632947439 is a prime.

It is a super-3 number, since 3×632947471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632947771) 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, 24344121 + ... + 24344146.

It is an arithmetic number, because the mean of its divisors is an integer number (170408938).

Almost surely, 2^632947471 is an apocalyptic number.

632947471 is a deficient number, since it is larger than the sum of its proper divisors (48688281).

632947471 is a wasteful number, since it uses less digits than its factorization.

632947471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48688280.

The product of its digits is 254016, while the sum is 43.

The square root of 632947471 is about 25158.4473090054. The cubic root of 632947471 is about 858.5967158875.

The spelling of 632947471 in words is "six hundred thirty-two million, nine hundred forty-seven thousand, four hundred seventy-one".