2997765 has 12 divisors (see below), whose sum is σ = 5196204. Its totient is φ = 1598784.

The previous prime is 2997737. The next prime is 2997767. The reversal of 2997765 is 5677992.

It can be written as a sum of positive squares in 2 ways, for example, as 314721 + 2683044 = 561^2 + 1638^2 .

It is not a de Polignac number, because 2997765 - 2⁷ = 2997637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 66617 = 2997765 / (2 + 9 + 9 + 7 + 7 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2997765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33264 + ... + 33353.

It is an arithmetic number, because the mean of its divisors is an integer number (433017).

2^2997765 is an apocalyptic number.

It is an amenable number.

2997765 is a deficient number, since it is larger than the sum of its proper divisors (2198439).

2997765 is a wasteful number, since it uses less digits than its factorization.

2997765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66628 (or 66625 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 2997765 is about 1731.4054984318. The cubic root of 2997765 is about 144.1891322685.

The spelling of 2997765 in words is "two million, nine hundred ninety-seven thousand, seven hundred sixty-five".