198730070 has 64 divisors (see below), whose sum is σ = 453399552. Its totient is φ = 60912000.

The previous prime is 198730067. The next prime is 198730079. The reversal of 198730070 is 70037891.

198730070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 198730070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198730079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44855 + ... + 49085.

It is an arithmetic number, because the mean of its divisors is an integer number (7084368).

Almost surely, 2^198730070 is an apocalyptic number.

198730070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198730070 is an abundant number, since it is smaller than the sum of its proper divisors (254669482).

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

198730070 is a wasteful number, since it uses less digits than its factorization.

198730070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 198730070 is about 14097.1653178928. The cubic root of 198730070 is about 583.5631526194.

The spelling of 198730070 in words is "one hundred ninety-eight million, seven hundred thirty thousand, seventy".