1065612790 has 16 divisors (see below), whose sum is σ = 2092476240. Its totient is φ = 387495520.

The previous prime is 1065612787. The next prime is 1065612827. The reversal of 1065612790 is 972165601.

It is a super-2 number, since 2×1065612790² = 2271061236423168200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4843585 + ... + 4843804.

It is an arithmetic number, because the mean of its divisors is an integer number (130779765).

Almost surely, 2^1065612790 is an apocalyptic number.

1065612790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1065612790 is a deficient number, since it is larger than the sum of its proper divisors (1026863450).

1065612790 is a wasteful number, since it uses less digits than its factorization.

1065612790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9687407.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1065612790 is about 32643.7251244401. The cubic root of 1065612790 is about 1021.4093007968.

The spelling of 1065612790 in words is "one billion, sixty-five million, six hundred twelve thousand, seven hundred ninety".