72427776356330 has 32 divisors (see below), whose sum is σ = 133894277099136. Its totient is φ = 28187946247104.

The previous prime is 72427776356321. The next prime is 72427776356333. The reversal of 72427776356330 is 3365367772427.

It is a super-2 number, since 2×72427776356330² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72427776356333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79707617 + ... + 80611163.

It is an arithmetic number, because the mean of its divisors is an integer number (4184196159348).

Almost surely, 2^{72427776356330} is an apocalyptic number.

72427776356330 is a deficient number, since it is larger than the sum of its proper divisors (61466500742806).

72427776356330 is a wasteful number, since it uses less digits than its factorization.

72427776356330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120238.

The product of its (nonzero) digits is 186701760, while the sum is 62.

The spelling of 72427776356330 in words is "seventy-two trillion, four hundred twenty-seven billion, seven hundred seventy-six million, three hundred fifty-six thousand, three hundred thirty".