42707773 has 4 divisors (see below), whose sum is σ = 43749468. Its totient is φ = 41666080.

The previous prime is 42707767. The next prime is 42707779. The reversal of 42707773 is 37770724.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42707767) and next prime (42707779).

It can be written as a sum of positive squares in 2 ways, for example, as 23020804 + 19686969 = 4798^2 + 4437^2 .

It is a cyclic number.

It is not a de Polignac number, because 42707773 - 2⁹ = 42707261 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 (42707779) 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, 520786 + ... + 520867.

It is an arithmetic number, because the mean of its divisors is an integer number (10937367).

Almost surely, 2^42707773 is an apocalyptic number.

It is an amenable number.

42707773 is a deficient number, since it is larger than the sum of its proper divisors (1041695).

42707773 is a wasteful number, since it uses less digits than its factorization.

42707773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041694.

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

The square root of 42707773 is about 6535.1184381004. The cubic root of 42707773 is about 349.5443676564.

The spelling of 42707773 in words is "forty-two million, seven hundred seven thousand, seven hundred seventy-three".