190747264 has 16 divisors (see below), whose sum is σ = 380004570. Its totient is φ = 95373568.

The previous prime is 190747261. The next prime is 190747273. The reversal of 190747264 is 462747091.

It can be written as a sum of positive squares in only one way, i.e., 185177664 + 5569600 = 13608^2 + 2360^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (190747261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744979 + ... + 745234.

Almost surely, 2^190747264 is an apocalyptic number.

It is an amenable number.

190747264 is a deficient number, since it is larger than the sum of its proper divisors (189257306).

190747264 is an equidigital number, since it uses as much as digits as its factorization.

190747264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490227 (or 1490215 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 190747264 is about 13811.1282667275. The cubic root of 190747264 is about 575.6423963442.

The spelling of 190747264 in words is "one hundred ninety million, seven hundred forty-seven thousand, two hundred sixty-four".