42167678 has 16 divisors (see below), whose sum is σ = 72530304. Its totient is φ = 18011160.

The previous prime is 42167663. The next prime is 42167689. The reversal of 42167678 is 87676124.

It is a super-2 number, since 2×42167678² = 3556226135823368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608 + ... + 9203.

It is an arithmetic number, because the mean of its divisors is an integer number (4533144).

Almost surely, 2^42167678 is an apocalyptic number.

42167678 is a deficient number, since it is larger than the sum of its proper divisors (30362626).

42167678 is a wasteful number, since it uses less digits than its factorization.

42167678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127.

The product of its digits is 112896, while the sum is 41.

The square root of 42167678 is about 6493.6644508321. The cubic root of 42167678 is about 348.0646321581.

The spelling of 42167678 in words is "forty-two million, one hundred sixty-seven thousand, six hundred seventy-eight".