72027221343 has 32 divisors (see below), whose sum is σ = 123595948032. Its totient is φ = 36209743200.

The previous prime is 72027221339. The next prime is 72027221347. The reversal of 72027221343 is 34312272027.

It is an interprime number because it is at equal distance from previous prime (72027221339) and next prime (72027221347).

It is not a de Polignac number, because 72027221343 - 2² = 72027221339 is a prime.

It is a super-2 number, since 2×72027221343² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72027221347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5021971 + ... + 5036292.

It is an arithmetic number, because the mean of its divisors is an integer number (3862373376).

Almost surely, 2^72027221343 is an apocalyptic number.

72027221343 is a deficient number, since it is larger than the sum of its proper divisors (51568726689).

72027221343 is a wasteful number, since it uses less digits than its factorization.

72027221343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058315.

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

The spelling of 72027221343 in words is "seventy-two billion, twenty-seven million, two hundred twenty-one thousand, three hundred forty-three".