189500070 has 16 divisors (see below), whose sum is σ = 454800240. Its totient is φ = 50533344.

The previous prime is 189500033. The next prime is 189500111. The reversal of 189500070 is 70005981.

189500070 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 (30), and also a Moran number because the ratio is a prime number: 6316669 = 189500070 / (1 + 8 + 9 + 5 + 0 + 0 + 0 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3158305 + ... + 3158364.

It is an arithmetic number, because the mean of its divisors is an integer number (28425015).

Almost surely, 2^189500070 is an apocalyptic number.

189500070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189500070 is an abundant number, since it is smaller than the sum of its proper divisors (265300170).

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

189500070 is a wasteful number, since it uses less digits than its factorization.

189500070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316679.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 189500070 is about 13765.9024404505. The cubic root of 189500070 is about 574.3850463948.

The spelling of 189500070 in words is "one hundred eighty-nine million, five hundred thousand, seventy".