67898434 has 8 divisors (see below), whose sum is σ = 101892240. Its totient is φ = 33934356.

The previous prime is 67898417. The next prime is 67898437. The reversal of 67898434 is 43489876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×67898434² = 9220394679304712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67898437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384 + ... + 11659.

It is an arithmetic number, because the mean of its divisors is an integer number (12736530).

Almost surely, 2^67898434 is an apocalyptic number.

67898434 is a deficient number, since it is larger than the sum of its proper divisors (33993806).

67898434 is a wasteful number, since it uses less digits than its factorization.

67898434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14864.

The product of its digits is 1161216, while the sum is 49.

The square root of 67898434 is about 8240.0506066407. The cubic root of 67898434 is about 407.9621945298.

The spelling of 67898434 in words is "sixty-seven million, eight hundred ninety-eight thousand, four hundred thirty-four".