190972064 has 12 divisors (see below), whose sum is σ = 375976314. Its totient is φ = 95486016.

The previous prime is 190972063. The next prime is 190972069. The reversal of 190972064 is 460279091.

It can be written as a sum of positive squares in only one way, i.e., 186595600 + 4376464 = 13660^2 + 2092^2 .

It is not an unprimeable number, because it can be changed into a prime (190972063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2983907 + ... + 2983970.

Almost surely, 2^190972064 is an apocalyptic number.

It is an amenable number.

190972064 is a deficient number, since it is larger than the sum of its proper divisors (185004250).

190972064 is an equidigital number, since it uses as much as digits as its factorization.

190972064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967887 (or 5967879 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 190972064 is about 13819.2642351176. The cubic root of 190972064 is about 575.8684434634.

The spelling of 190972064 in words is "one hundred ninety million, nine hundred seventy-two thousand, sixty-four".