2772641 has 4 divisors (see below), whose sum is σ = 2775984. Its totient is φ = 2769300.

The previous prime is 2772631. The next prime is 2772643. The reversal of 2772641 is 1462772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2772641 is a prime.

It is a super-2 number, since 2×2772641² = 15375076229762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (693996).

2^2772641 is an apocalyptic number.

It is an amenable number.

2772641 is a deficient number, since it is larger than the sum of its proper divisors (3343).

2772641 is a wasteful number, since it uses less digits than its factorization.

2772641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its digits is 4704, while the sum is 29.

The square root of 2772641 is about 1665.1249202387. The cubic root of 2772641 is about 140.4854068927.

The spelling of 2772641 in words is "two million, seven hundred seventy-two thousand, six hundred forty-one".