72242743766 has 8 divisors (see below), whose sum is σ = 108366058920. Its totient is φ = 36120724128.

The previous prime is 72242743763. The next prime is 72242743777. The reversal of 72242743766 is 66734724227.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72242743763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169811 + ... + 416318.

It is an arithmetic number, because the mean of its divisors is an integer number (13545757365).

Almost surely, 2^72242743766 is an apocalyptic number.

72242743766 is a deficient number, since it is larger than the sum of its proper divisors (36123315154).

72242743766 is a wasteful number, since it uses less digits than its factorization.

72242743766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647758.

The product of its digits is 4741632, while the sum is 50.

The spelling of 72242743766 in words is "seventy-two billion, two hundred forty-two million, seven hundred forty-three thousand, seven hundred sixty-six".