73067520387 has 8 divisors (see below), whose sum is σ = 97688820736. Its totient is φ = 48578950152.

The previous prime is 73067520377. The next prime is 73067520389. The reversal of 73067520387 is 78302576037.

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

It is not a de Polignac number, because 73067520387 - 2¹⁰ = 73067519363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73067520389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33181243 + ... + 33183444.

It is an arithmetic number, because the mean of its divisors is an integer number (12211102592).

Almost surely, 2^73067520387 is an apocalyptic number.

73067520387 is a deficient number, since it is larger than the sum of its proper divisors (24621300349).

73067520387 is a wasteful number, since it uses less digits than its factorization.

73067520387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66365057.

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 73067520387 in words is "seventy-three billion, sixty-seven million, five hundred twenty thousand, three hundred eighty-seven".