71227033497 has 12 divisors (see below), whose sum is σ = 103044005844. Its totient is φ = 47410606080.

The previous prime is 71227033457. The next prime is 71227033523. The reversal of 71227033497 is 79433072217.

71227033497 is a `hidden beast` number, since 7 + 1 + 227 + 0 + 334 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30430709136 + 40796324361 = 174444^2 + 201981^2 .

It is not a de Polignac number, because 71227033497 - 2²⁷ = 71092815769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71227033447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6167488 + ... + 6179025.

It is an arithmetic number, because the mean of its divisors is an integer number (8587000487).

Almost surely, 2^71227033497 is an apocalyptic number.

It is an amenable number.

71227033497 is a deficient number, since it is larger than the sum of its proper divisors (31816972347).

71227033497 is a wasteful number, since it uses less digits than its factorization.

71227033497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12347160 (or 12347157 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 71227033497 in words is "seventy-one billion, two hundred twenty-seven million, thirty-three thousand, four hundred ninety-seven".