1073532639 has 8 divisors (see below), whose sum is σ = 1431555840. Its totient is φ = 715598936.

The previous prime is 1073532601. The next prime is 1073532679. The reversal of 1073532639 is 9362353701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1073532639 - 2⁹ = 1073532127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1073532597 and 1073532606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073532679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14122 + ... + 48440.

It is an arithmetic number, because the mean of its divisors is an integer number (178944480).

Almost surely, 2^1073532639 is an apocalyptic number.

1073532639 is a deficient number, since it is larger than the sum of its proper divisors (358023201).

1073532639 is a wasteful number, since it uses less digits than its factorization.

1073532639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44749.

The product of its (nonzero) digits is 102060, while the sum is 39.

The square root of 1073532639 is about 32764.8079347339. The cubic root of 1073532639 is about 1023.9334975605.

The spelling of 1073532639 in words is "one billion, seventy-three million, five hundred thirty-two thousand, six hundred thirty-nine".