73272991377392 has 80 divisors (see below), whose sum is σ = 153103861966752. Its totient is φ = 33845879316480.

The previous prime is 73272991377373. The next prime is 73272991377431. The reversal of 73272991377392 is 29377319927237.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2033303 + ... + 12275190.

Almost surely, 2^{73272991377392} is an apocalyptic number.

It is an amenable number.

73272991377392 is an abundant number, since it is smaller than the sum of its proper divisors (79830870589360).

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

73272991377392 is a wasteful number, since it uses less digits than its factorization.

73272991377392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14308866 (or 14308860 counting only the distinct ones).

The product of its digits is 378071064, while the sum is 71.

The spelling of 73272991377392 in words is "seventy-three trillion, two hundred seventy-two billion, nine hundred ninety-one million, three hundred seventy-seven thousand, three hundred ninety-two".