472642320 has 40 divisors (see below), whose sum is σ = 1465191936. Its totient is φ = 126037888.

The previous prime is 472642277. The next prime is 472642349. The reversal of 472642320 is 23246274.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984432 + ... + 984911.

Almost surely, 2^472642320 is an apocalyptic number.

472642320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472642320 is an abundant number, since it is smaller than the sum of its proper divisors (992549616).

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

472642320 is a wasteful number, since it uses less digits than its factorization.

472642320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969359 (or 1969353 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 472642320 is about 21740.3385438222. The cubic root of 472642320 is about 778.9523080371.

Adding to 472642320 its reverse (23246274), we get a palindrome (495888594).

The spelling of 472642320 in words is "four hundred seventy-two million, six hundred forty-two thousand, three hundred twenty".