67142998 has 32 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 29167776.

The previous prime is 67142989. The next prime is 67143007. The reversal of 67142998 is 89924176.

It is an interprime number because it is at equal distance from previous prime (67142989) and next prime (67143007).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97965 + ... + 98647.

It is an arithmetic number, because the mean of its divisors is an integer number (3591000).

Almost surely, 2^67142998 is an apocalyptic number.

67142998 is a deficient number, since it is larger than the sum of its proper divisors (47769002).

67142998 is a wasteful number, since it uses less digits than its factorization.

67142998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its digits is 217728, while the sum is 46.

The square root of 67142998 is about 8194.0831091709. The cubic root of 67142998 is about 406.4435565864.

The spelling of 67142998 in words is "sixty-seven million, one hundred forty-two thousand, nine hundred ninety-eight".