420174472 has 8 divisors (see below), whose sum is σ = 787827150. Its totient is φ = 210087232.

The previous prime is 420174463. The next prime is 420174473. The reversal of 420174472 is 274471024.

It can be written as a sum of positive squares in only one way, i.e., 329277316 + 90897156 = 18146^2 + 9534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (420174473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26260897 + ... + 26260912.

Almost surely, 2^420174472 is an apocalyptic number.

It is an amenable number.

420174472 is a deficient number, since it is larger than the sum of its proper divisors (367652678).

420174472 is a wasteful number, since it uses less digits than its factorization.

420174472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52521815 (or 52521811 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 420174472 is about 20498.1577708827. The cubic root of 420174472 is about 748.9909226632.

The spelling of 420174472 in words is "four hundred twenty million, one hundred seventy-four thousand, four hundred seventy-two".