73752681009 has 64 divisors (see below), whose sum is σ = 114870412800. Its totient is φ = 41225490432.

The previous prime is 73752680977. The next prime is 73752681031. The reversal of 73752681009 is 90018625737.

It is not a de Polignac number, because 73752681009 - 2⁵ = 73752680977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73752681049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100617207 + ... + 100617939.

It is an arithmetic number, because the mean of its divisors is an integer number (1794850200).

Almost surely, 2^73752681009 is an apocalyptic number.

It is an amenable number.

73752681009 is a deficient number, since it is larger than the sum of its proper divisors (41117731791).

73752681009 is a wasteful number, since it uses less digits than its factorization.

73752681009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 73752681009 in words is "seventy-three billion, seven hundred fifty-two million, six hundred eighty-one thousand, nine".