5780645 has 12 divisors (see below), whose sum is σ = 7512516. Its totient is φ = 4268160.

The previous prime is 5780633. The next prime is 5780681. The reversal of 5780645 is 5460875.

It can be written as a sum of positive squares in 6 ways, for example, as 591361 + 5189284 = 769^2 + 2278^2 .

It is not a de Polignac number, because 5780645 - 2¹⁸ = 5518501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2576 + ... + 4265.

It is an arithmetic number, because the mean of its divisors is an integer number (626043).

Almost surely, 2^5780645 is an apocalyptic number.

It is an amenable number.

5780645 is a deficient number, since it is larger than the sum of its proper divisors (1731871).

5780645 is a wasteful number, since it uses less digits than its factorization.

5780645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872 (or 6859 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 5780645 is about 2404.2971946080. The cubic root of 5780645 is about 179.4700979305.

The spelling of 5780645 in words is "five million, seven hundred eighty thousand, six hundred forty-five".