471720641 has 16 divisors (see below), whose sum is σ = 590509440. Its totient is φ = 367422720.

The previous prime is 471720631. The next prime is 471720653. The reversal of 471720641 is 146027174.

It is not a de Polignac number, because 471720641 - 2¹⁰ = 471719617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 471720598 and 471720607.

It is not an unprimeable number, because it can be changed into a prime (471720631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64895 + ... + 71796.

It is an arithmetic number, because the mean of its divisors is an integer number (36906840).

Almost surely, 2^471720641 is an apocalyptic number.

It is an amenable number.

471720641 is a deficient number, since it is larger than the sum of its proper divisors (118788799).

471720641 is a wasteful number, since it uses less digits than its factorization.

471720641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136744.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 471720641 is about 21719.1307606911. The cubic root of 471720641 is about 778.4456450087.

The spelling of 471720641 in words is "four hundred seventy-one million, seven hundred twenty thousand, six hundred forty-one".