572720381 has 8 divisors (see below), whose sum is σ = 594467328. Its totient is φ = 551178000.

The previous prime is 572720347. The next prime is 572720387. The reversal of 572720381 is 183027275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 572720381 - 2¹⁴ = 572703997 is a prime.

It is a super-2 number, since 2×572720381² = 656017269625570322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572720387) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45425 + ... + 56646.

It is an arithmetic number, because the mean of its divisors is an integer number (74308416).

Almost surely, 2^572720381 is an apocalyptic number.

It is an amenable number.

572720381 is a deficient number, since it is larger than the sum of its proper divisors (21746947).

572720381 is a wasteful number, since it uses less digits than its factorization.

572720381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102283.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 572720381 is about 23931.5770688018. The cubic root of 572720381 is about 830.4513831609.

The spelling of 572720381 in words is "five hundred seventy-two million, seven hundred twenty thousand, three hundred eighty-one".