1073661712 has 20 divisors (see below), whose sum is σ = 2170664640. Its totient is φ = 513490208.

The previous prime is 1073661697. The next prime is 1073661731. The reversal of 1073661712 is 2171663701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458412 + ... + 1459147.

It is an arithmetic number, because the mean of its divisors is an integer number (108533232).

Almost surely, 2^1073661712 is an apocalyptic number.

It is an amenable number.

1073661712 is an abundant number, since it is smaller than the sum of its proper divisors (1097002928).

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

1073661712 is a wasteful number, since it uses less digits than its factorization.

1073661712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917590 (or 2917584 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1073661712 is about 32766.7775650887. Note that the first 3 decimals coincide. The cubic root of 1073661712 is about 1023.9745324477.

The spelling of 1073661712 in words is "one billion, seventy-three million, six hundred sixty-one thousand, seven hundred twelve".