42769747 has 4 divisors (see below), whose sum is σ = 43162240. Its totient is φ = 42377256.

The previous prime is 42769717. The next prime is 42769777. The reversal of 42769747 is 74796724.

42769747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (42769717) and next prime (42769777).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42769747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42769697 and 42769706.

It is not an unprimeable number, because it can be changed into a prime (42769717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196083 + ... + 196300.

It is an arithmetic number, because the mean of its divisors is an integer number (10790560).

Almost surely, 2^42769747 is an apocalyptic number.

42769747 is a deficient number, since it is larger than the sum of its proper divisors (392493).

42769747 is a wasteful number, since it uses less digits than its factorization.

42769747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392492.

The product of its digits is 592704, while the sum is 46.

The square root of 42769747 is about 6539.8583317989. The cubic root of 42769747 is about 349.7133625973.

The spelling of 42769747 in words is "forty-two million, seven hundred sixty-nine thousand, seven hundred forty-seven".