73687736361 has 8 divisors (see below), whose sum is σ = 98311460544. Its totient is φ = 49094584880.

The previous prime is 73687736357. The next prime is 73687736371. The reversal of 73687736361 is 16363778637.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73687736361 - 2² = 73687736357 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73687736351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7637550 + ... + 7647191.

It is an arithmetic number, because the mean of its divisors is an integer number (12288932568).

Almost surely, 2^73687736361 is an apocalyptic number.

It is an amenable number.

73687736361 is a deficient number, since it is larger than the sum of its proper divisors (24623724183).

73687736361 is a wasteful number, since it uses less digits than its factorization.

73687736361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15286351.

The product of its digits is 16003008, while the sum is 57.

The spelling of 73687736361 in words is "seventy-three billion, six hundred eighty-seven million, seven hundred thirty-six thousand, three hundred sixty-one".