742108717547 has 4 divisors (see below), whose sum is σ = 742110502536. Its totient is φ = 742106932560.

The previous prime is 742108717531. The next prime is 742108717549. The reversal of 742108717547 is 745717801247.

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

It is a cyclic number.

It is not a de Polignac number, because 742108717547 - 2⁴ = 742108717531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742108717549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96272 + ... + 1222082.

It is an arithmetic number, because the mean of its divisors is an integer number (185527625634).

Almost surely, 2^742108717547 is an apocalyptic number.

742108717547 is a deficient number, since it is larger than the sum of its proper divisors (1784989).

742108717547 is a wasteful number, since it uses less digits than its factorization.

742108717547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784988.

The product of its (nonzero) digits is 3073280, while the sum is 53.

The spelling of 742108717547 in words is "seven hundred forty-two billion, one hundred eight million, seven hundred seventeen thousand, five hundred forty-seven".