481728773 has 8 divisors (see below), whose sum is σ = 506511480. Its totient is φ = 457490880.

The previous prime is 481728757. The next prime is 481728781. The reversal of 481728773 is 377827184.

It can be written as a sum of positive squares in 4 ways, for example, as 21325924 + 460402849 = 4618^2 + 21457^2 .

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 481728773 - 2⁴ = 481728757 is a prime.

It is a super-2 number, since 2×481728773² = 464125221472171058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481728173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134390 + ... + 137927.

It is an arithmetic number, because the mean of its divisors is an integer number (63313935).

Almost surely, 2^481728773 is an apocalyptic number.

It is an amenable number.

481728773 is a deficient number, since it is larger than the sum of its proper divisors (24782707).

481728773 is a wasteful number, since it uses less digits than its factorization.

481728773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272407.

The product of its digits is 526848, while the sum is 47.

The square root of 481728773 is about 21948.3205052232. The cubic root of 481728773 is about 783.9123905339.

The spelling of 481728773 in words is "four hundred eighty-one million, seven hundred twenty-eight thousand, seven hundred seventy-three".