2771572 has 6 divisors (see below), whose sum is σ = 4850258. Its totient is φ = 1385784.

The previous prime is 2771563. The next prime is 2771579. The reversal of 2771572 is 2751772.

It can be written as a sum of positive squares in only one way, i.e., 1779556 + 992016 = 1334^2 + 996^2 .

It is a super-2 number, since 2×2771572² = 15363222702368, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346443 + ... + 346450.

2^2771572 is an apocalyptic number.

It is an amenable number.

2771572 is a deficient number, since it is larger than the sum of its proper divisors (2078686).

2771572 is a wasteful number, since it uses less digits than its factorization.

2771572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692897 (or 692895 counting only the distinct ones).

The product of its digits is 6860, while the sum is 31.

The square root of 2771572 is about 1664.8038923549. The cubic root of 2771572 is about 140.4673497161.

It can be divided in two parts, 277 and 1572, that added together give a square (1849 = 43²).

The spelling of 2771572 in words is "two million, seven hundred seventy-one thousand, five hundred seventy-two".