190969970 has 32 divisors (see below), whose sum is σ = 349498800. Its totient is φ = 75119616.

The previous prime is 190969963. The next prime is 190969973. The reversal of 190969970 is 79969091.

It can be written as a sum of positive squares in 8 ways, for example, as 49098049 + 141871921 = 7007^2 + 11911^2 .

It is not an unprimeable number, because it can be changed into a prime (190969973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203342 + ... + 204278.

Almost surely, 2^190969970 is an apocalyptic number.

190969970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190969970 is a deficient number, since it is larger than the sum of its proper divisors (158528830).

190969970 is a wasteful number, since it uses less digits than its factorization.

190969970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 275562, while the sum is 50.

The square root of 190969970 is about 13819.1884711078. The cubic root of 190969970 is about 575.8663386653.

The spelling of 190969970 in words is "one hundred ninety million, nine hundred sixty-nine thousand, nine hundred seventy".