72424295761 has 32 divisors (see below), whose sum is σ = 77424076800. Its totient is φ = 67631592000.

The previous prime is 72424295731. The next prime is 72424295831. The reversal of 72424295761 is 16759242427.

It is a cyclic number.

It is not a de Polignac number, because 72424295761 - 2⁷ = 72424295633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72424295731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47552946 + ... + 47554468.

It is an arithmetic number, because the mean of its divisors is an integer number (2419502400).

Almost surely, 2^72424295761 is an apocalyptic number.

It is an amenable number.

72424295761 is a deficient number, since it is larger than the sum of its proper divisors (4999781039).

72424295761 is a wasteful number, since it uses less digits than its factorization.

72424295761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989.

The product of its digits is 1693440, while the sum is 49.

The spelling of 72424295761 in words is "seventy-two billion, four hundred twenty-four million, two hundred ninety-five thousand, seven hundred sixty-one".