71432741 has 2 divisors, whose sum is σ = 71432742. Its totient is φ = 71432740.

The previous prime is 71432717. The next prime is 71432807. The reversal of 71432741 is 14723417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49773025 + 21659716 = 7055^2 + 4654^2 .

It is a cyclic number.

It is not a de Polignac number, because 71432741 - 2⁶ = 71432677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71332741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35716370 + 35716371.

It is an arithmetic number, because the mean of its divisors is an integer number (35716371).

Almost surely, 2^71432741 is an apocalyptic number.

It is an amenable number.

71432741 is a deficient number, since it is larger than the sum of its proper divisors (1).

71432741 is an equidigital number, since it uses as much as digits as its factorization.

71432741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 71432741 is about 8451.7892188577. The cubic root of 71432741 is about 414.9213399084.

The spelling of 71432741 in words is "seventy-one million, four hundred thirty-two thousand, seven hundred forty-one".