742259216687 has 16 divisors (see below), whose sum is σ = 769985287200. Its totient is φ = 714676152960.

The previous prime is 742259216663. The next prime is 742259216717. The reversal of 742259216687 is 786612952247.

It is a cyclic number.

It is not a de Polignac number, because 742259216687 - 2⁶ = 742259216623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742259276687) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 73551512 + ... + 73561602.

It is an arithmetic number, because the mean of its divisors is an integer number (48124080450).

Almost surely, 2^742259216687 is an apocalyptic number.

742259216687 is a deficient number, since it is larger than the sum of its proper divisors (27726070513).

742259216687 is a wasteful number, since it uses less digits than its factorization.

742259216687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16906.

The product of its digits is 20321280, while the sum is 59.

The spelling of 742259216687 in words is "seven hundred forty-two billion, two hundred fifty-nine million, two hundred sixteen thousand, six hundred eighty-seven".