72106262141 has 4 divisors (see below), whose sum is σ = 72429608832. Its totient is φ = 71782915452.

The previous prime is 72106262077. The next prime is 72106262153. The reversal of 72106262141 is 14126260127.

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.

It is a cyclic number.

It is not a de Polignac number, because 72106262141 - 2⁶ = 72106262077 is a prime.

It is a super-4 number, since 4×72106262141⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72106262098 and 72106262107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72106262191) 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, 161673011 + ... + 161673456.

It is an arithmetic number, because the mean of its divisors is an integer number (18107402208).

Almost surely, 2^72106262141 is an apocalyptic number.

It is an amenable number.

72106262141 is a deficient number, since it is larger than the sum of its proper divisors (323346691).

72106262141 is a wasteful number, since it uses less digits than its factorization.

72106262141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323346690.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 72106262141 in words is "seventy-two billion, one hundred six million, two hundred sixty-two thousand, one hundred forty-one".