742340068672 has 56 divisors (see below), whose sum is σ = 1492696918080. Its totient is φ = 366244623360.

The previous prime is 742340068643. The next prime is 742340068693. The reversal of 742340068672 is 276860043247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2640147 + ... + 2907757.

Almost surely, 2^742340068672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742340068672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746348459040).

742340068672 is an abundant number, since it is smaller than the sum of its proper divisors (750356849408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742340068672 is a wasteful number, since it uses less digits than its factorization.

742340068672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268199 (or 268189 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 742340068672 in words is "seven hundred forty-two billion, three hundred forty million, sixty-eight thousand, six hundred seventy-two".