76737473245 has 4 divisors (see below), whose sum is σ = 92084967900. Its totient is φ = 61389978592.

The previous prime is 76737473161. The next prime is 76737473311. The reversal of 76737473245 is 54237473767.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55912385764 + 20825087481 = 236458^2 + 144309^2 .

It is a cyclic number.

It is not a de Polignac number, because 76737473245 - 2¹⁷ = 76737342173 is a prime.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7673747320 + ... + 7673747329.

It is an arithmetic number, because the mean of its divisors is an integer number (23021241975).

Almost surely, 2^76737473245 is an apocalyptic number.

It is an amenable number.

76737473245 is a deficient number, since it is larger than the sum of its proper divisors (15347494655).

76737473245 is a wasteful number, since it uses less digits than its factorization.

76737473245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15347494654.

The product of its digits is 20744640, while the sum is 55.

The spelling of 76737473245 in words is "seventy-six billion, seven hundred thirty-seven million, four hundred seventy-three thousand, two hundred forty-five".