2770427 has 4 divisors (see below), whose sum is σ = 3022296. Its totient is φ = 2518560.

The previous prime is 2770393. The next prime is 2770429. The reversal of 2770427 is 7240772.

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

It is not a de Polignac number, because 2770427 - 2⁸ = 2770171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2770427.

It is not an unprimeable number, because it can be changed into a prime (2770429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125918 + ... + 125939.

It is an arithmetic number, because the mean of its divisors is an integer number (755574).

2^2770427 is an apocalyptic number.

2770427 is a deficient number, since it is larger than the sum of its proper divisors (251869).

2770427 is a wasteful number, since it uses less digits than its factorization.

2770427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251868.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 2770427 is about 1664.4599724836. The cubic root of 2770427 is about 140.4480036231.

The spelling of 2770427 in words is "two million, seven hundred seventy thousand, four hundred twenty-seven".