42034879 has 2 divisors, whose sum is σ = 42034880. Its totient is φ = 42034878.

The previous prime is 42034877. The next prime is 42034903. The reversal of 42034879 is 97843024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42034879 - 2¹ = 42034877 is a prime.

Together with 42034877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42034871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21017439 + 21017440.

It is an arithmetic number, because the mean of its divisors is an integer number (21017440).

Almost surely, 2^42034879 is an apocalyptic number.

42034879 is a deficient number, since it is larger than the sum of its proper divisors (1).

42034879 is an equidigital number, since it uses as much as digits as its factorization.

42034879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 42034879 is about 6483.4311132301. The cubic root of 42034879 is about 347.6988603516.

The spelling of 42034879 in words is "forty-two million, thirty-four thousand, eight hundred seventy-nine".