474728064 has 64 divisors (see below), whose sum is σ = 1277040000. Its totient is φ = 156229632.

The previous prime is 474728063. The next prime is 474728069. The reversal of 474728064 is 460827474.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (474728063) 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, 22512 + ... + 38160.

It is an arithmetic number, because the mean of its divisors is an integer number (19953750).

Almost surely, 2^474728064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474728064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638520000).

474728064 is an abundant number, since it is smaller than the sum of its proper divisors (802311936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

474728064 is a wasteful number, since it uses less digits than its factorization.

474728064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15745 (or 15733 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 474728064 is about 21788.2551848467. The cubic root of 474728064 is about 780.0964509263.

The spelling of 474728064 in words is "four hundred seventy-four million, seven hundred twenty-eight thousand, sixty-four".