2772724147 has 4 divisors (see below), whose sum is σ = 2774265496. Its totient is φ = 2771182800.

The previous prime is 2772724139. The next prime is 2772724183. The reversal of 2772724147 is 7414272772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2772724147 - 2³ = 2772724139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772724117) 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, 767973 + ... + 771574.

It is an arithmetic number, because the mean of its divisors is an integer number (693566374).

Almost surely, 2^2772724147 is an apocalyptic number.

2772724147 is a deficient number, since it is larger than the sum of its proper divisors (1541349).

2772724147 is a wasteful number, since it uses less digits than its factorization.

2772724147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541348.

The product of its digits is 307328, while the sum is 43.

The square root of 2772724147 is about 52656.6628927432. The cubic root of 2772724147 is about 1404.8681118839.

The spelling of 2772724147 in words is "two billion, seven hundred seventy-two million, seven hundred twenty-four thousand, one hundred forty-seven".