67198030 has 16 divisors (see below), whose sum is σ = 121462704. Its totient is φ = 26766720.

The previous prime is 67198013. The next prime is 67198039. The reversal of 67198030 is 3089176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67198039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11532 + ... + 16351.

It is an arithmetic number, because the mean of its divisors is an integer number (7591419).

Almost surely, 2^67198030 is an apocalyptic number.

67198030 is a deficient number, since it is larger than the sum of its proper divisors (54264674).

67198030 is a wasteful number, since it uses less digits than its factorization.

67198030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28131.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 67198030 is about 8197.4404541906. The cubic root of 67198030 is about 406.5545698680.

The spelling of 67198030 in words is "sixty-seven million, one hundred ninety-eight thousand, thirty".