71432099 has 2 divisors, whose sum is σ = 71432100. Its totient is φ = 71432098.

The previous prime is 71432093. The next prime is 71432107. The reversal of 71432099 is 99023417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71432099 - 2¹² = 71428003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71432093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35716049 + 35716050.

It is an arithmetic number, because the mean of its divisors is an integer number (35716050).

Almost surely, 2^71432099 is an apocalyptic number.

71432099 is a deficient number, since it is larger than the sum of its proper divisors (1).

71432099 is an equidigital number, since it uses as much as digits as its factorization.

71432099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 71432099 is about 8451.7512386487. The cubic root of 71432099 is about 414.9200968729.

The spelling of 71432099 in words is "seventy-one million, four hundred thirty-two thousand, ninety-nine".