4572729773 has 6 divisors (see below), whose sum is σ = 4735848234. Its totient is φ = 4415048624.

The previous prime is 4572729761. The next prime is 4572729793. The reversal of 4572729773 is 3779272754.

It can be written as a sum of positive squares in 3 ways, for example, as 394141609 + 4178588164 = 19853^2 + 64642^2 .

It is not a de Polignac number, because 4572729773 - 2⁸ = 4572729517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4572729703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2717786 + ... + 2719467.

It is an arithmetic number, because the mean of its divisors is an integer number (789308039).

Almost surely, 2^4572729773 is an apocalyptic number.

It is an amenable number.

4572729773 is a deficient number, since it is larger than the sum of its proper divisors (163118461).

4572729773 is an equidigital number, since it uses as much as digits as its factorization.

4572729773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437311 (or 5437282 counting only the distinct ones).

The product of its digits is 5186160, while the sum is 53.

The square root of 4572729773 is about 67621.9622090338. The cubic root of 4572729773 is about 1659.8105184846.

The spelling of 4572729773 in words is "four billion, five hundred seventy-two million, seven hundred twenty-nine thousand, seven hundred seventy-three".