42349967 has 4 divisors (see below), whose sum is σ = 46199976. Its totient is φ = 38499960.

The previous prime is 42349949. The next prime is 42349973. The reversal of 42349967 is 76994324.

42349967 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 42349967 - 2¹⁴ = 42333583 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 (42349987) 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, 1924988 + ... + 1925009.

It is an arithmetic number, because the mean of its divisors is an integer number (11549994).

Almost surely, 2^42349967 is an apocalyptic number.

42349967 is a deficient number, since it is larger than the sum of its proper divisors (3850009).

42349967 is a wasteful number, since it uses less digits than its factorization.

42349967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850008.

The product of its digits is 326592, while the sum is 44.

The square root of 42349967 is about 6507.6852259463. The cubic root of 42349967 is about 348.5654671384.

The spelling of 42349967 in words is "forty-two million, three hundred forty-nine thousand, nine hundred sixty-seven".