69072267842 has 18 divisors (see below), whose sum is σ = 109359660249. Its totient is φ = 32715097560.

The previous prime is 69072267821. The next prime is 69072267851. The reversal of 69072267842 is 24876227096.

It can be written as a sum of positive squares in 2 ways, for example, as 68738876761 + 333391081 = 262181^2 + 18259^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=185839.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7056992 + ... + 7066772.

Almost surely, 2^69072267842 is an apocalyptic number.

69072267842 is a deficient number, since it is larger than the sum of its proper divisors (40287392407).

69072267842 is an frugal number, since it uses more digits than its factorization.

69072267842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19602 (or 9802 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 69072267842 in words is "sixty-nine billion, seventy-two million, two hundred sixty-seven thousand, eight hundred forty-two".