72387753741 has 24 divisors (see below), whose sum is σ = 106002527904. Its totient is φ = 47596739040.

The previous prime is 72387753727. The next prime is 72387753769. The reversal of 72387753741 is 14735778327.

72387753741 is a `hidden beast` number, since 7 + 2 + 38 + 77 + 537 + 4 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-72387753741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72387754741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53031 + ... + 384171.

It is an arithmetic number, because the mean of its divisors is an integer number (4416771996).

Almost surely, 2^72387753741 is an apocalyptic number.

It is an amenable number.

72387753741 is a deficient number, since it is larger than the sum of its proper divisors (33614774163).

72387753741 is a wasteful number, since it uses less digits than its factorization.

72387753741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331481 (or 331478 counting only the distinct ones).

The product of its digits is 6914880, while the sum is 54.

The spelling of 72387753741 in words is "seventy-two billion, three hundred eighty-seven million, seven hundred fifty-three thousand, seven hundred forty-one".