73206730015 has 32 divisors (see below), whose sum is σ = 92565504000. Its totient is φ = 55472022144.

The previous prime is 73206729977. The next prime is 73206730033. The reversal of 73206730015 is 51003760237.

It is a cyclic number.

It is not a de Polignac number, because 73206730015 - 2¹³ = 73206721823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8130486 + ... + 8139484.

It is an arithmetic number, because the mean of its divisors is an integer number (2892672000).

Almost surely, 2^73206730015 is an apocalyptic number.

73206730015 is a deficient number, since it is larger than the sum of its proper divisors (19358773985).

73206730015 is a wasteful number, since it uses less digits than its factorization.

73206730015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9711.

The product of its (nonzero) digits is 26460, while the sum is 34.

The spelling of 73206730015 in words is "seventy-three billion, two hundred six million, seven hundred thirty thousand, fifteen".