472204661 has 8 divisors (see below), whose sum is σ = 481733784. Its totient is φ = 462758400.

The previous prime is 472204657. The next prime is 472204717. The reversal of 472204661 is 166402274.

It can be written as a sum of positive squares in 4 ways, for example, as 114276100 + 357928561 = 10690^2 + 18919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 472204661 - 2² = 472204657 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 (472204261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9140 + ... + 32061.

It is an arithmetic number, because the mean of its divisors is an integer number (60216723).

Almost surely, 2^472204661 is an apocalyptic number.

It is an amenable number.

472204661 is a deficient number, since it is larger than the sum of its proper divisors (9529123).

472204661 is a wasteful number, since it uses less digits than its factorization.

472204661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41431.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 472204661 is about 21730.2706149739. The cubic root of 472204661 is about 778.7118014529.

The spelling of 472204661 in words is "four hundred seventy-two million, two hundred four thousand, six hundred sixty-one".