73790509328655 has 32 divisors (see below), whose sum is σ = 134931611748864. Its totient is φ = 33732705591936.

The previous prime is 73790509328609. The next prime is 73790509328671. The reversal of 73790509328655 is 55682390509737.

It is not a de Polignac number, because 73790509328655 - 2¹⁷ = 73790509197583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73790509328655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44666637 + ... + 46289193.

It is an arithmetic number, because the mean of its divisors is an integer number (4216612867152).

Almost surely, 2^{73790509328655} is an apocalyptic number.

73790509328655 is a deficient number, since it is larger than the sum of its proper divisors (61141102420209).

73790509328655 is a wasteful number, since it uses less digits than its factorization.

73790509328655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055695.

The product of its (nonzero) digits is 428652000, while the sum is 69.

The spelling of 73790509328655 in words is "seventy-three trillion, seven hundred ninety billion, five hundred nine million, three hundred twenty-eight thousand, six hundred fifty-five".