474742818 has 72 divisors (see below), whose sum is σ = 1162555056. Its totient is φ = 138852000.

The previous prime is 474742811. The next prime is 474742823. The reversal of 474742818 is 818247474.

It is a super-2 number, since 2×474742818² = 450761486485162248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (474742811) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165093 + ... + 167943.

It is an arithmetic number, because the mean of its divisors is an integer number (16146598).

Almost surely, 2^474742818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474742818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581277528).

474742818 is an abundant number, since it is smaller than the sum of its proper divisors (687812238).

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

474742818 is a wasteful number, since it uses less digits than its factorization.

474742818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928 (or 2896 counting only the distinct ones).

The product of its digits is 401408, while the sum is 45.

The square root of 474742818 is about 21788.5937591208. The cubic root of 474742818 is about 780.1045323415.

The spelling of 474742818 in words is "four hundred seventy-four million, seven hundred forty-two thousand, eight hundred eighteen".