472638474 has 96 divisors (see below), whose sum is σ = 1289074176. Its totient is φ = 121577760.

The previous prime is 472638461. The next prime is 472638487. The reversal of 472638474 is 474836274.

472638474 is a `hidden beast` number, since 4 + 7 + 2 + 638 + 4 + 7 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (472638461) and next prime (472638487).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146709 + ... + 149895.

It is an arithmetic number, because the mean of its divisors is an integer number (13427856).

Almost surely, 2^472638474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472638474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644537088).

472638474 is an abundant number, since it is smaller than the sum of its proper divisors (816435702).

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

472638474 is a wasteful number, since it uses less digits than its factorization.

472638474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320 (or 3317 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The square root of 472638474 is about 21740.2500905578. The cubic root of 472638474 is about 778.9501951929.

The spelling of 472638474 in words is "four hundred seventy-two million, six hundred thirty-eight thousand, four hundred seventy-four".