7942273236 has 144 divisors (see below), whose sum is σ = 21374091648. Its totient is φ = 2577744000.

The previous prime is 7942273217. The next prime is 7942273309. The reversal of 7942273236 is 6323722497.

It is a junction number, because it is equal to n+sod(n) for n = 7942273191 and 7942273200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7778406 + ... + 7779426.

It is an arithmetic number, because the mean of its divisors is an integer number (148431192).

Almost surely, 2^7942273236 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 7942273236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10687045824).

7942273236 is an abundant number, since it is smaller than the sum of its proper divisors (13431818412).

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

7942273236 is a wasteful number, since it uses less digits than its factorization.

7942273236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1230 counting only the distinct ones).

The product of its digits is 762048, while the sum is 45.

The square root of 7942273236 is about 89119.4324263794. The cubic root of 7942273236 is about 1995.1778189627.

The spelling of 7942273236 in words is "seven billion, nine hundred forty-two million, two hundred seventy-three thousand, two hundred thirty-six".