572629649 has 32 divisors (see below), whose sum is σ = 644902560. Its totient is φ = 506068992.

The previous prime is 572629609. The next prime is 572629661. The reversal of 572629649 is 946926275.

It can be written as a sum of positive squares in 16 ways, for example, as 23571025 + 549058624 = 4855^2 + 23432^2 .

It is a cyclic number.

It is not a de Polignac number, because 572629649 - 2²⁸ = 304194193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 572629597 and 572629606.

It is not an unprimeable number, because it can be changed into a prime (572629609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2966897 + ... + 2967089.

It is an arithmetic number, because the mean of its divisors is an integer number (20153205).

Almost surely, 2^572629649 is an apocalyptic number.

It is an amenable number.

572629649 is a deficient number, since it is larger than the sum of its proper divisors (72272911).

572629649 is a wasteful number, since it uses less digits than its factorization.

572629649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its digits is 1632960, while the sum is 50.

The square root of 572629649 is about 23929.6813392908. The cubic root of 572629649 is about 830.4075266841.

The spelling of 572629649 in words is "five hundred seventy-two million, six hundred twenty-nine thousand, six hundred forty-nine".