2770164 has 18 divisors (see below), whose sum is σ = 7002450. Its totient is φ = 923376.

The previous prime is 2770121. The next prime is 2770169. The reversal of 2770164 is 4610772.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 242064 = 1590^2 + 492^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38439 + ... + 38510.

It is an arithmetic number, because the mean of its divisors is an integer number (389025).

2^2770164 is an apocalyptic number.

It is an amenable number.

2770164 is an abundant number, since it is smaller than the sum of its proper divisors (4232286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2770164 is a wasteful number, since it uses less digits than its factorization.

2770164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76959 (or 76954 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2770164 is about 1664.3809660051. The cubic root of 2770164 is about 140.4435591826.

The spelling of 2770164 in words is "two million, seven hundred seventy thousand, one hundred sixty-four".