42770773 has 8 divisors (see below), whose sum is σ = 43793496. Its totient is φ = 41760000.

The previous prime is 42770771. The next prime is 42770801. The reversal of 42770773 is 37707724.

It can be written as a sum of positive squares in 4 ways, for example, as 32058244 + 10712529 = 5662^2 + 3273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42770773 - 2¹ = 42770771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42770771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4473 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (5474187).

Almost surely, 2^42770773 is an apocalyptic number.

It is an amenable number.

42770773 is a deficient number, since it is larger than the sum of its proper divisors (1022723).

42770773 is a wasteful number, since it uses less digits than its factorization.

42770773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975.

The product of its (nonzero) digits is 57624, while the sum is 37.

The square root of 42770773 is about 6539.9367733947. The cubic root of 42770773 is about 349.7161589901.

The spelling of 42770773 in words is "forty-two million, seven hundred seventy thousand, seven hundred seventy-three".