1073327621 has 4 divisors (see below), whose sum is σ = 1076160000. Its totient is φ = 1070495244.

The previous prime is 1073327581. The next prime is 1073327627. The reversal of 1073327621 is 1267233701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1073327621 - 2²⁶ = 1006218757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073327627) by changing a digit.

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, 1415621 + ... + 1416378.

It is an arithmetic number, because the mean of its divisors is an integer number (269040000).

Almost surely, 2^1073327621 is an apocalyptic number.

It is an amenable number.

1073327621 is a deficient number, since it is larger than the sum of its proper divisors (2832379).

1073327621 is an equidigital number, since it uses as much as digits as its factorization.

1073327621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832378.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 1073327621 is about 32761.6791541581. The cubic root of 1073327621 is about 1023.8683114777.

The spelling of 1073327621 in words is "one billion, seventy-three million, three hundred twenty-seven thousand, six hundred twenty-one".