73387261760978 has 8 divisors (see below), whose sum is σ = 120088246518000. Its totient is φ = 33357846254980.

The previous prime is 73387261760977. The next prime is 73387261760987. The reversal of 73387261760978 is 87906716278337.

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

It is not an unprimeable number, because it can be changed into a prime (73387261760977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667892312728 + ... + 1667892312771.

It is an arithmetic number, because the mean of its divisors is an integer number (15011030814750).

Almost surely, 2^{73387261760978} is an apocalyptic number.

73387261760978 is a deficient number, since it is larger than the sum of its proper divisors (46700984757022).

73387261760978 is a wasteful number, since it uses less digits than its factorization.

73387261760978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335784625512.

The product of its (nonzero) digits is 896168448, while the sum is 74.

The spelling of 73387261760978 in words is "seventy-three trillion, three hundred eighty-seven billion, two hundred sixty-one million, seven hundred sixty thousand, nine hundred seventy-eight".