42462769 has 4 divisors (see below), whose sum is σ = 42480244. Its totient is φ = 42445296.

The previous prime is 42462767. The next prime is 42462779. The reversal of 42462769 is 96726424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29030544 + 13432225 = 5388^2 + 3665^2 .

It is a cyclic number.

It is not a de Polignac number, because 42462769 - 2¹ = 42462767 is a prime.

It is a super-2 number, since 2×42462769² = 3606173502294722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42462767) 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, 4362 + ... + 10195.

It is an arithmetic number, because the mean of its divisors is an integer number (10620061).

Almost surely, 2^42462769 is an apocalyptic number.

It is an amenable number.

42462769 is a deficient number, since it is larger than the sum of its proper divisors (17475).

42462769 is a wasteful number, since it uses less digits than its factorization.

42462769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17474.

The product of its digits is 145152, while the sum is 40.

The square root of 42462769 is about 6516.3462922101. The cubic root of 42462769 is about 348.8746686693.

The spelling of 42462769 in words is "forty-two million, four hundred sixty-two thousand, seven hundred sixty-nine".