42773255 has 16 divisors (see below), whose sum is σ = 59467584. Its totient is φ = 28926720.

The previous prime is 42773251. The next prime is 42773257. The reversal of 42773255 is 55237724.

It is not a de Polignac number, because 42773255 - 2² = 42773251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42773251) 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, 5816 + ... + 10925.

It is an arithmetic number, because the mean of its divisors is an integer number (3716724).

Almost surely, 2^42773255 is an apocalyptic number.

42773255 is a deficient number, since it is larger than the sum of its proper divisors (16694329).

42773255 is a wasteful number, since it uses less digits than its factorization.

42773255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16826.

The product of its digits is 58800, while the sum is 35.

The square root of 42773255 is about 6540.1265278280. The cubic root of 42773255 is about 349.7229235683.

The spelling of 42773255 in words is "forty-two million, seven hundred seventy-three thousand, two hundred fifty-five".