76491095545972 has 12 divisors (see below), whose sum is σ = 133859492206020. Its totient is φ = 38245526344256.

The previous prime is 76491095545937. The next prime is 76491095545993. The reversal of 76491095545972 is 27954559019467.

It can be written as a sum of positive squares in 2 ways, for example, as 43982442469476 + 32508653076496 = 6631926^2 + 5701636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76491095545895 and 76491095545904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4824378 + ... + 13276174.

It is an arithmetic number, because the mean of its divisors is an integer number (11154957683835).

Almost surely, 2^{76491095545972} is an apocalyptic number.

It is an amenable number.

76491095545972 is a deficient number, since it is larger than the sum of its proper divisors (57368396660048).

76491095545972 is a wasteful number, since it uses less digits than its factorization.

76491095545972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714370 (or 10714368 counting only the distinct ones).

The product of its (nonzero) digits is 857304000, while the sum is 73.

The spelling of 76491095545972 in words is "seventy-six trillion, four hundred ninety-one billion, ninety-five million, five hundred forty-five thousand, nine hundred seventy-two".