42742333 has 4 divisors (see below), whose sum is σ = 42755548. Its totient is φ = 42729120.

The previous prime is 42742331. The next prime is 42742351. The reversal of 42742333 is 33324724.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 21930489 + 20811844 = 4683^2 + 4562^2 .

It is a cyclic number.

It is not a de Polignac number, because 42742333 - 2¹ = 42742331 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 (42742331) 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, 1873 + ... + 9433.

It is an arithmetic number, because the mean of its divisors is an integer number (10688887).

Almost surely, 2^42742333 is an apocalyptic number.

It is an amenable number.

42742333 is a deficient number, since it is larger than the sum of its proper divisors (13215).

42742333 is an equidigital number, since it uses as much as digits as its factorization.

42742333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13214.

The product of its digits is 12096, while the sum is 28.

The square root of 42742333 is about 6537.7620788768. The cubic root of 42742333 is about 349.6386283762.

The spelling of 42742333 in words is "forty-two million, seven hundred forty-two thousand, three hundred thirty-three".