72213767337 has 4 divisors (see below), whose sum is σ = 96285023120. Its totient is φ = 48142511556.

The previous prime is 72213767323. The next prime is 72213767357. The reversal of 72213767337 is 73376731227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73376731227 = 3 ⋅24458910409.

It is not a de Polignac number, because 72213767337 - 2¹¹ = 72213765289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72213767357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12035627887 + ... + 12035627892.

It is an arithmetic number, because the mean of its divisors is an integer number (24071255780).

Almost surely, 2^72213767337 is an apocalyptic number.

It is an amenable number.

72213767337 is a deficient number, since it is larger than the sum of its proper divisors (24071255783).

72213767337 is a wasteful number, since it uses less digits than its factorization.

72213767337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24071255782.

The product of its digits is 1555848, while the sum is 48.

The spelling of 72213767337 in words is "seventy-two billion, two hundred thirteen million, seven hundred sixty-seven thousand, three hundred thirty-seven".