421750472 has 64 divisors (see below), whose sum is σ = 934839360. Its totient is φ = 175852800.

The previous prime is 421750463. The next prime is 421750481. The reversal of 421750472 is 274057124.

It is an interprime number because it is at equal distance from previous prime (421750463) and next prime (421750481).

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 15 ways as a sum of consecutive naturals, for example, 196847 + ... + 198977.

It is an arithmetic number, because the mean of its divisors is an integer number (14606865).

Almost surely, 2^421750472 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 421750472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467419680).

421750472 is an abundant number, since it is smaller than the sum of its proper divisors (513088888).

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

421750472 is a wasteful number, since it uses less digits than its factorization.

421750472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 421750472 is about 20536.5642696143. The cubic root of 421750472 is about 749.9261983676.

The spelling of 421750472 in words is "four hundred twenty-one million, seven hundred fifty thousand, four hundred seventy-two".