70845198 has 16 divisors (see below), whose sum is σ = 147851136. Its totient is φ = 22588280.

The previous prime is 70845191. The next prime is 70845233. The reversal of 70845198 is 89154807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70845191) 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, 256548 + ... + 256823.

It is an arithmetic number, because the mean of its divisors is an integer number (9240696).

Almost surely, 2^70845198 is an apocalyptic number.

70845198 is an abundant number, since it is smaller than the sum of its proper divisors (77005938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70845198 is a wasteful number, since it uses less digits than its factorization.

70845198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513399.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 70845198 is about 8416.9589520206. The cubic root of 70845198 is about 413.7806137691.

The spelling of 70845198 in words is "seventy million, eight hundred forty-five thousand, one hundred ninety-eight".