73363378673 has 16 divisors (see below), whose sum is σ = 79758981120. Its totient is φ = 67076989056.

The previous prime is 73363378663. The next prime is 73363378727. The reversal of 73363378673 is 37687336337.

It is a cyclic number.

It is not a de Polignac number, because 73363378673 - 2⁴ = 73363378657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73363378663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982658 + ... + 1054676.

It is an arithmetic number, because the mean of its divisors is an integer number (4984936320).

Almost surely, 2^73363378673 is an apocalyptic number.

It is an amenable number.

73363378673 is a deficient number, since it is larger than the sum of its proper divisors (6395602447).

73363378673 is a wasteful number, since it uses less digits than its factorization.

73363378673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72776.

The product of its digits is 24004512, while the sum is 56.

The spelling of 73363378673 in words is "seventy-three billion, three hundred sixty-three million, three hundred seventy-eight thousand, six hundred seventy-three".