73030060510640 has 20 divisors (see below), whose sum is σ = 169794890687424. Its totient is φ = 29212024204224.

The previous prime is 73030060510637. The next prime is 73030060510651. The reversal of 73030060510640 is 4601506003037.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 73030060510640.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456437878112 + ... + 456437878271.

Almost surely, 2^{73030060510640} is an apocalyptic number.

It is an amenable number.

73030060510640 is an abundant number, since it is smaller than the sum of its proper divisors (96764830176784).

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

73030060510640 is a wasteful number, since it uses less digits than its factorization.

73030060510640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912875756396 (or 912875756390 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 73030060510640 its reverse (4601506003037), we get a palindrome (77631566513677).

The spelling of 73030060510640 in words is "seventy-three trillion, thirty billion, sixty million, five hundred ten thousand, six hundred forty".