2945767 has 4 divisors (see below), whose sum is σ = 3213576. Its totient is φ = 2677960.

The previous prime is 2945749. The next prime is 2945773. The reversal of 2945767 is 7675492.

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 2945767 - 2⁷ = 2945639 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945707) 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, 133888 + ... + 133909.

It is an arithmetic number, because the mean of its divisors is an integer number (803394).

2^2945767 is an apocalyptic number.

2945767 is a deficient number, since it is larger than the sum of its proper divisors (267809).

2945767 is a wasteful number, since it uses less digits than its factorization.

2945767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267808.

The product of its digits is 105840, while the sum is 40.

The square root of 2945767 is about 1716.3236874203. The cubic root of 2945767 is about 143.3505832253.

It can be divided in two parts, 29 and 45767, that added together give a square (45796 = 214²).

The spelling of 2945767 in words is "two million, nine hundred forty-five thousand, seven hundred sixty-seven".