76306724640055 has 48 divisors (see below), whose sum is σ = 114931825997184. Its totient is φ = 48206934397440.

The previous prime is 76306724640001. The next prime is 76306724640059. The reversal of 76306724640055 is 55004642760367.

It is a happy number.

It is not a de Polignac number, because 76306724640055 - 2²⁵ = 76306691085623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76306724639978 and 76306724640005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76306724640059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21333087 + ... + 24651856.

It is an arithmetic number, because the mean of its divisors is an integer number (2394413041608).

Almost surely, 2^{76306724640055} is an apocalyptic number.

76306724640055 is a deficient number, since it is larger than the sum of its proper divisors (38625101357129).

76306724640055 is a wasteful number, since it uses less digits than its factorization.

76306724640055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45985496 (or 45985489 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 55.

The spelling of 76306724640055 in words is "seventy-six trillion, three hundred six billion, seven hundred twenty-four million, six hundred forty thousand, fifty-five".