73728767024 has 20 divisors (see below), whose sum is σ = 155835803400. Its totient is φ = 33513075840.

The previous prime is 73728767003. The next prime is 73728767081. The reversal of 73728767024 is 42076782737.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209456549 + ... + 209456900.

It is an arithmetic number, because the mean of its divisors is an integer number (7791790170).

Almost surely, 2^73728767024 is an apocalyptic number.

It is an amenable number.

73728767024 is an abundant number, since it is smaller than the sum of its proper divisors (82107036376).

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

73728767024 is a wasteful number, since it uses less digits than its factorization.

73728767024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418913468 (or 418913462 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 53.

The spelling of 73728767024 in words is "seventy-three billion, seven hundred twenty-eight million, seven hundred sixty-seven thousand, twenty-four".