1065650072 has 8 divisors (see below), whose sum is σ = 1998093900. Its totient is φ = 532825032.

The previous prime is 1065650063. The next prime is 1065650077. The reversal of 1065650072 is 2700565601.

It is a happy number.

1065650072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1065650072² = 2271220151907210368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065650077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66603122 + ... + 66603137.

Almost surely, 2^1065650072 is an apocalyptic number.

It is an amenable number.

1065650072 is a deficient number, since it is larger than the sum of its proper divisors (932443828).

1065650072 is a wasteful number, since it uses less digits than its factorization.

1065650072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133206265 (or 133206261 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1065650072 is about 32644.2961633422. The cubic root of 1065650072 is about 1021.4212124836.

The spelling of 1065650072 in words is "one billion, sixty-five million, six hundred fifty thousand, seventy-two".