72027434145 has 8 divisors (see below), whose sum is σ = 115243894656. Its totient is φ = 38414631536.

The previous prime is 72027434093. The next prime is 72027434159. The reversal of 72027434145 is 54143472027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72027434145 - 2⁸ = 72027433889 is a prime.

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, 2400914457 + ... + 2400914486.

It is an arithmetic number, because the mean of its divisors is an integer number (14405486832).

Almost surely, 2^72027434145 is an apocalyptic number.

It is an amenable number.

72027434145 is a deficient number, since it is larger than the sum of its proper divisors (43216460511).

72027434145 is a wasteful number, since it uses less digits than its factorization.

72027434145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801828951.

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 72027434145 in words is "seventy-two billion, twenty-seven million, four hundred thirty-four thousand, one hundred forty-five".