730073831742 has 20 divisors (see below), whose sum is σ = 1635906178896. Its totient is φ = 243357943860.

The previous prime is 730073831741. The next prime is 730073831791. The reversal of 730073831742 is 247138370037.

It is a super-2 number, since 2×730073831742² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730073831741) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2253314134 + ... + 2253314457.

Almost surely, 2^730073831742 is an apocalyptic number.

730073831742 is an abundant number, since it is smaller than the sum of its proper divisors (905832347154).

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

730073831742 is a wasteful number, since it uses less digits than its factorization.

730073831742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506628605 (or 4506628596 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 730073831742 in words is "seven hundred thirty billion, seventy-three million, eight hundred thirty-one thousand, seven hundred forty-two".