73758705687 has 12 divisors (see below), whose sum is σ = 106587090064. Its totient is φ = 49150899360.

The previous prime is 73758705673. The next prime is 73758705791. The reversal of 73758705687 is 78650785737.

It is not a de Polignac number, because 73758705687 - 2¹² = 73758701591 is a prime.

It is a super-2 number, since 2×73758705687² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73758705607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1775923 + ... + 1816980.

Almost surely, 2^73758705687 is an apocalyptic number.

73758705687 is a deficient number, since it is larger than the sum of its proper divisors (32828384377).

73758705687 is a wasteful number, since it uses less digits than its factorization.

73758705687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595190 (or 3595187 counting only the distinct ones).

The product of its (nonzero) digits is 69148800, while the sum is 63.

The spelling of 73758705687 in words is "seventy-three billion, seven hundred fifty-eight million, seven hundred five thousand, six hundred eighty-seven".