73729750978874 has 16 divisors (see below), whose sum is σ = 113664283554600. Its totient is φ = 35843070726144.

The previous prime is 73729750978853. The next prime is 73729750978889. The reversal of 73729750978874 is 47887905792737.

It can be written as a sum of positive squares in 4 ways, for example, as 47382503415025 + 26347247563849 = 6883495^2 + 5132957^2 .

It is a super-2 number, since 2×73729750978874² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73729750978792 and 73729750978801.

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 7 ways as a sum of consecutive naturals, for example, 353461379 + ... + 353669910.

Almost surely, 2^{73729750978874} is an apocalyptic number.

73729750978874 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

73729750978874 is a deficient number, since it is larger than the sum of its proper divisors (39934532575726).

73729750978874 is a wasteful number, since it uses less digits than its factorization.

73729750978874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707132737.

The product of its (nonzero) digits is 10455298560, while the sum is 83.

The spelling of 73729750978874 in words is "seventy-three trillion, seven hundred twenty-nine billion, seven hundred fifty million, nine hundred seventy-eight thousand, eight hundred seventy-four".