72942466042 has 8 divisors (see below), whose sum is σ = 110541675636. Its totient is φ = 36095240832.

The previous prime is 72942466033. The next prime is 72942466057. The reversal of 72942466042 is 24066424927.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63730497601 + 9211968441 = 252449^2 + 95979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72942465983 and 72942466001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187995853 + ... + 187996240.

Almost surely, 2^72942466042 is an apocalyptic number.

72942466042 is a deficient number, since it is larger than the sum of its proper divisors (37599209594).

72942466042 is a wasteful number, since it uses less digits than its factorization.

72942466042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375992192.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 72942466042 in words is "seventy-two billion, nine hundred forty-two million, four hundred sixty-six thousand, forty-two".