42015967 has 4 divisors (see below), whose sum is σ = 48018256. Its totient is φ = 36013680.

The previous prime is 42015949. The next prime is 42015977. The reversal of 42015967 is 76951024.

42015967 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 a cyclic number.

It is not a de Polignac number, because 42015967 - 2¹⁵ = 41983199 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 (42015937) 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, 3001134 + ... + 3001147.

It is an arithmetic number, because the mean of its divisors is an integer number (12004564).

Almost surely, 2^42015967 is an apocalyptic number.

42015967 is a deficient number, since it is larger than the sum of its proper divisors (6002289).

42015967 is an equidigital number, since it uses as much as digits as its factorization.

42015967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6002288.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 42015967 is about 6481.9724621445. The cubic root of 42015967 is about 347.6467078899.

The spelling of 42015967 in words is "forty-two million, fifteen thousand, nine hundred sixty-seven".