72442466042 has 8 divisors (see below), whose sum is σ = 108711344532. Its totient is φ = 36205351200.

The previous prime is 72442466029. The next prime is 72442466137. The reversal of 72442466042 is 24066424427.

It can be written as a sum of positive squares in 2 ways, for example, as 66378884881 + 6063581161 = 257641^2 + 77869^2 .

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

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, 7935209 + ... + 7944332.

Almost surely, 2^72442466042 is an apocalyptic number.

72442466042 is a deficient number, since it is larger than the sum of its proper divisors (36268878490).

72442466042 is a wasteful number, since it uses less digits than its factorization.

72442466042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881824.

The product of its (nonzero) digits is 516096, while the sum is 41.

The spelling of 72442466042 in words is "seventy-two billion, four hundred forty-two million, four hundred sixty-six thousand, forty-two".