1073725439 has 8 divisors (see below), whose sum is σ = 1084498800. Its totient is φ = 1062999936.

The previous prime is 1073725427. The next prime is 1073725469. The reversal of 1073725439 is 9345273701.

1073725439 is nontrivially palindromic in base 4.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1073725439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1073725396 and 1073725405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073725469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34007 + ... + 57479.

It is an arithmetic number, because the mean of its divisors is an integer number (135562350).

Almost surely, 2^1073725439 is an apocalyptic number.

1073725439 is a deficient number, since it is larger than the sum of its proper divisors (10773361).

1073725439 is a wasteful number, since it uses less digits than its factorization.

1073725439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23929.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 1073725439 is about 32767.7499837874. The cubic root of 1073725439 is about 1023.9947913223.

The spelling of 1073725439 in words is "one billion, seventy-three million, seven hundred twenty-five thousand, four hundred thirty-nine".