42789753 has 12 divisors (see below), whose sum is σ = 62655060. Its totient is φ = 28135296.

The previous prime is 42789739. The next prime is 42789757. The reversal of 42789753 is 35798724.

It can be written as a sum of positive squares in 2 ways, for example, as 12616704 + 30173049 = 3552^2 + 5493^2 .

It is not a de Polignac number, because 42789753 - 2¹⁰ = 42788729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42789699 and 42789708.

It is not an unprimeable number, because it can be changed into a prime (42789757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31908 + ... + 33221.

It is an arithmetic number, because the mean of its divisors is an integer number (5221255).

Almost surely, 2^42789753 is an apocalyptic number.

It is an amenable number.

42789753 is a deficient number, since it is larger than the sum of its proper divisors (19865307).

42789753 is a wasteful number, since it uses less digits than its factorization.

42789753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65208 (or 65205 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 42789753 is about 6541.3876968117. The cubic root of 42789753 is about 349.7678814681.

The spelling of 42789753 in words is "forty-two million, seven hundred eighty-nine thousand, seven hundred fifty-three".