471704981 has 8 divisors (see below), whose sum is σ = 532332000. Its totient is φ = 414035440.

The previous prime is 471704957. The next prime is 471704993. The reversal of 471704981 is 189407174.

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 471704981 - 2²² = 467510677 is a prime.

It is a super-2 number, since 2×471704981² = 445011178200420722, which contains 22 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 (471704911) 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, 739031 + ... + 739668.

It is an arithmetic number, because the mean of its divisors is an integer number (66541500).

Almost surely, 2^471704981 is an apocalyptic number.

It is an amenable number.

471704981 is a deficient number, since it is larger than the sum of its proper divisors (60627019).

471704981 is a wasteful number, since it uses less digits than its factorization.

471704981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478739.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 471704981 is about 21718.7702460337. The cubic root of 471704981 is about 778.4370307339.

The spelling of 471704981 in words is "four hundred seventy-one million, seven hundred four thousand, nine hundred eighty-one".