72075545160 has 32 divisors (see below), whose sum is σ = 216226635840. Its totient is φ = 19220145344.

The previous prime is 72075545149. The next prime is 72075545189. The reversal of 72075545160 is 6154557027.

It is a happy number.

It is a super-2 number, since 2×72075545160² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300314652 + ... + 300314891.

It is an arithmetic number, because the mean of its divisors is an integer number (6757082370).

Almost surely, 2^72075545160 is an apocalyptic number.

It is an amenable number.

72075545160 is an abundant number, since it is smaller than the sum of its proper divisors (144151090680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72075545160 is a wasteful number, since it uses less digits than its factorization.

72075545160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600629557 (or 600629553 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 72075545160 in words is "seventy-two billion, seventy-five million, five hundred forty-five thousand, one hundred sixty".