72292985442 has 48 divisors (see below), whose sum is σ = 159365662560. Its totient is φ = 23677920000.

The previous prime is 72292985419. The next prime is 72292985467. The reversal of 72292985442 is 24458929227.

72292985442 is a `hidden beast` number, since 7 + 2 + 2 + 9 + 2 + 98 + 544 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2375442 + ... + 2405682.

It is an arithmetic number, because the mean of its divisors is an integer number (3320117970).

Almost surely, 2^72292985442 is an apocalyptic number.

72292985442 is an abundant number, since it is smaller than the sum of its proper divisors (87072677118).

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

72292985442 is a wasteful number, since it uses less digits than its factorization.

72292985442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32559 (or 32556 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 72292985442 in words is "seventy-two billion, two hundred ninety-two million, nine hundred eighty-five thousand, four hundred forty-two".