70499198 has 24 divisors (see below), whose sum is σ = 132844656. Its totient is φ = 27466560.

The previous prime is 70499189. The next prime is 70499243. The reversal of 70499198 is 89199407.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19115 + ... + 22502.

It is an arithmetic number, because the mean of its divisors is an integer number (5535194).

Almost surely, 2^70499198 is an apocalyptic number.

70499198 is a deficient number, since it is larger than the sum of its proper divisors (62345458).

70499198 is a wasteful number, since it uses less digits than its factorization.

70499198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41648 (or 41637 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 70499198 is about 8396.3800533325. The cubic root of 70499198 is about 413.1058947895.

The spelling of 70499198 in words is "seventy million, four hundred ninety-nine thousand, one hundred ninety-eight".