72214437293 has 8 divisors (see below), whose sum is σ = 72524911680. Its totient is φ = 71904465280.

The previous prime is 72214437271. The next prime is 72214437301. The reversal of 72214437293 is 39273441227.

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 72214437293 - 2¹⁴ = 72214420909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72214431293) 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 7 ways as a sum of consecutive naturals, for example, 163946 + ... + 413892.

It is an arithmetic number, because the mean of its divisors is an integer number (9065613960).

Almost surely, 2^72214437293 is an apocalyptic number.

It is an amenable number.

72214437293 is a deficient number, since it is larger than the sum of its proper divisors (310474387).

72214437293 is a wasteful number, since it uses less digits than its factorization.

72214437293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251187.

The product of its digits is 508032, while the sum is 44.

The spelling of 72214437293 in words is "seventy-two billion, two hundred fourteen million, four hundred thirty-seven thousand, two hundred ninety-three".