2777972 has 24 divisors (see below), whose sum is σ = 5144832. Its totient is φ = 1310400.

The previous prime is 2777969. The next prime is 2777977. The reversal of 2777972 is 2797772.

2777972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2777977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5072 + ... + 5592.

It is an arithmetic number, because the mean of its divisors is an integer number (214368).

2^2777972 is an apocalyptic number.

It is an amenable number.

2777972 is a deficient number, since it is larger than the sum of its proper divisors (2366860).

2777972 is a wasteful number, since it uses less digits than its factorization.

2777972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 597 counting only the distinct ones).

The product of its digits is 86436, while the sum is 41.

The square root of 2777972 is about 1666.7249323149. The cubic root of 2777972 is about 140.5753870746.

The spelling of 2777972 in words is "two million, seven hundred seventy-seven thousand, nine hundred seventy-two".