501220672 has 56 divisors (see below), whose sum is σ = 1010668032. Its totient is φ = 246604800.

The previous prime is 501220667. The next prime is 501220721. The reversal of 501220672 is 276022105.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1601188 + ... + 1601500.

Almost surely, 2^501220672 is an apocalyptic number.

It is an amenable number.

501220672 is an abundant number, since it is smaller than the sum of its proper divisors (509447360).

501220672 is a wasteful number, since it uses less digits than its factorization.

501220672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 501220672 is about 22387.9581918495. The cubic root of 501220672 is about 794.3458997479.

Adding to 501220672 its reverse (276022105), we get a palindrome (777242777).

The spelling of 501220672 in words is "five hundred one million, two hundred twenty thousand, six hundred seventy-two".