2658772 has 6 divisors (see below), whose sum is σ = 4652858. Its totient is φ = 1329384.

The previous prime is 2658769. The next prime is 2658779. The reversal of 2658772 is 2778562.

It can be written as a sum of positive squares in only one way, i.e., 2547216 + 111556 = 1596^2 + 334^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332343 + ... + 332350.

2^2658772 is an apocalyptic number.

It is an amenable number.

2658772 is a deficient number, since it is larger than the sum of its proper divisors (1994086).

2658772 is a wasteful number, since it uses less digits than its factorization.

2658772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664697 (or 664695 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 2658772 is about 1630.5741320161. The cubic root of 2658772 is about 138.5352731995.

The spelling of 2658772 in words is "two million, six hundred fifty-eight thousand, seven hundred seventy-two".