2772847 has 8 divisors (see below), whose sum is σ = 3457152. Its totient is φ = 2160600.

The previous prime is 2772839. The next prime is 2772881. The reversal of 2772847 is 7482772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2772847 - 2³ = 2772839 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 7⁵ + 7⁵ + 2¹⁹ + 8⁷ + 4² + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17929 + ... + 18082.

It is an arithmetic number, because the mean of its divisors is an integer number (432144).

2^2772847 is an apocalyptic number.

2772847 is a deficient number, since it is larger than the sum of its proper divisors (684305).

2772847 is a wasteful number, since it uses less digits than its factorization.

2772847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36029.

The product of its digits is 43904, while the sum is 37.

The square root of 2772847 is about 1665.1867763107. The cubic root of 2772847 is about 140.4888860397.

Adding to 2772847 its product of digits (43904), we get a triangular number (2816751 = T₂₃₇₃).

The spelling of 2772847 in words is "two million, seven hundred seventy-two thousand, eight hundred forty-seven".