73045031330 has 32 divisors (see below), whose sum is σ = 136895956848. Its totient is φ = 28038067200.

The previous prime is 73045031237. The next prime is 73045031347. The reversal of 73045031330 is 3313054037.

It can be written as a sum of positive squares in 8 ways, for example, as 9365013529 + 63680017801 = 96773^2 + 252349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73045031293 and 73045031302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435307 + ... + 1485326.

Almost surely, 2^73045031330 is an apocalyptic number.

73045031330 is a deficient number, since it is larger than the sum of its proper divisors (63850925518).

73045031330 is a wasteful number, since it uses less digits than its factorization.

73045031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920742.

The product of its (nonzero) digits is 11340, while the sum is 29.

Adding to 73045031330 its reverse (3313054037), we get a palindrome (76358085367).

The spelling of 73045031330 in words is "seventy-three billion, forty-five million, thirty-one thousand, three hundred thirty".