73000715072 has 14 divisors (see below), whose sum is σ = 144860794098. Its totient is φ = 36500357504.

The previous prime is 73000715009. The next prime is 73000715093. The reversal of 73000715072 is 27051700037.

It can be written as a sum of positive squares in only one way, i.e., 58208317696 + 14792397376 = 241264^2 + 121624^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570318023 + ... + 570318150.

Almost surely, 2^73000715072 is an apocalyptic number.

It is an amenable number.

73000715072 is a deficient number, since it is larger than the sum of its proper divisors (71860079026).

73000715072 is a wasteful number, since it uses less digits than its factorization.

73000715072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140636185 (or 1140636175 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 32.

The spelling of 73000715072 in words is "seventy-three billion, seven hundred fifteen thousand, seventy-two".