474736721 has 8 divisors (see below), whose sum is σ = 500486784. Its totient is φ = 449412480.

The previous prime is 474736711. The next prime is 474736723. The reversal of 474736721 is 127637474.

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 474736721 - 2⁶ = 474736657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474736723) 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, 104165 + ... + 108626.

It is an arithmetic number, because the mean of its divisors is an integer number (62560848).

Almost surely, 2^474736721 is an apocalyptic number.

It is an amenable number.

474736721 is a deficient number, since it is larger than the sum of its proper divisors (25750063).

474736721 is a wasteful number, since it uses less digits than its factorization.

474736721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212911.

The product of its digits is 197568, while the sum is 41.

The square root of 474736721 is about 21788.4538460167. The cubic root of 474736721 is about 780.1011927665.

The spelling of 474736721 in words is "four hundred seventy-four million, seven hundred thirty-six thousand, seven hundred twenty-one".