72290543966 has 16 divisors (see below), whose sum is σ = 108769591968. Its totient is φ = 36034178400.

The previous prime is 72290543957. The next prime is 72290543971. The reversal of 72290543966 is 66934509227.

It is a super-3 number, since 3×72290543966³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849896 + ... + 931076.

It is an arithmetic number, because the mean of its divisors is an integer number (6798099498).

Almost surely, 2^72290543966 is an apocalyptic number.

72290543966 is a deficient number, since it is larger than the sum of its proper divisors (36479048002).

72290543966 is a wasteful number, since it uses less digits than its factorization.

72290543966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82547.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 72290543966 in words is "seventy-two billion, two hundred ninety million, five hundred forty-three thousand, nine hundred sixty-six".