72742437063 has 6 divisors (see below), whose sum is σ = 105072409104. Its totient is φ = 48494958036.

The previous prime is 72742437041. The next prime is 72742437077. The reversal of 72742437063 is 36073424727.

72742437063 is a `hidden beast` number, since 7 + 274 + 2 + 4 + 370 + 6 + 3 = 666.

It is not a de Polignac number, because 72742437063 - 2¹⁴ = 72742420679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72742437083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4041246495 + ... + 4041246512.

It is an arithmetic number, because the mean of its divisors is an integer number (17512068184).

Almost surely, 2^72742437063 is an apocalyptic number.

72742437063 is a deficient number, since it is larger than the sum of its proper divisors (32329972041).

72742437063 is a wasteful number, since it uses less digits than its factorization.

72742437063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082493013 (or 8082493010 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 45.

The spelling of 72742437063 in words is "seventy-two billion, seven hundred forty-two million, four hundred thirty-seven thousand, sixty-three".