65975190 has 16 divisors (see below), whose sum is σ = 158340528. Its totient is φ = 17593376.

The previous prime is 65975171. The next prime is 65975207. The reversal of 65975190 is 9157956.

It is a super-2 number, since 2×65975190² = 8705451391072200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099557 + ... + 1099616.

It is an arithmetic number, because the mean of its divisors is an integer number (9896283).

Almost surely, 2^65975190 is an apocalyptic number.

65975190 is an abundant number, since it is smaller than the sum of its proper divisors (92365338).

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

65975190 is a wasteful number, since it uses less digits than its factorization.

65975190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199183.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 65975190 is about 8122.5113111648. The cubic root of 65975190 is about 404.0733577537.

The spelling of 65975190 in words is "sixty-five million, nine hundred seventy-five thousand, one hundred ninety".