4077545 has 16 divisors (see below), whose sum is σ = 5155920. Its totient is φ = 3091200.

The previous prime is 4077529. The next prime is 4077547. The reversal of 4077545 is 5457704.

It can be written as a sum of positive squares in 8 ways, for example, as 779689 + 3297856 = 883^2 + 1816^2 .

It is not a de Polignac number, because 4077545 - 2⁴ = 4077529 is a prime.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (4077547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8615 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (322245).

Almost surely, 2^4077545 is an apocalyptic number.

It is an amenable number.

4077545 is a deficient number, since it is larger than the sum of its proper divisors (1078375).

4077545 is a wasteful number, since it uses less digits than its factorization.

4077545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 4077545 is about 2019.2931931743. The cubic root of 4077545 is about 159.7593387157.

The spelling of 4077545 in words is "four million, seventy-seven thousand, five hundred forty-five".