72270340143 has 64 divisors (see below), whose sum is σ = 105619852800. Its totient is φ = 43776266240.

The previous prime is 72270340127. The next prime is 72270340151. The reversal of 72270340143 is 34104307227.

It is a cyclic number.

It is not a de Polignac number, because 72270340143 - 2⁴ = 72270340127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72270340193) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109666348 + ... + 109667006.

It is an arithmetic number, because the mean of its divisors is an integer number (1650310200).

Almost surely, 2^72270340143 is an apocalyptic number.

72270340143 is a deficient number, since it is larger than the sum of its proper divisors (33349512657).

72270340143 is a wasteful number, since it uses less digits than its factorization.

72270340143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 28224, while the sum is 33.

The spelling of 72270340143 in words is "seventy-two billion, two hundred seventy million, three hundred forty thousand, one hundred forty-three".