71332049 has 2 divisors, whose sum is σ = 71332050. Its totient is φ = 71332048.

The previous prime is 71332043. The next prime is 71332057. The reversal of 71332049 is 94023317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58140625 + 13191424 = 7625^2 + 3632^2 .

It is a cyclic number.

It is not a de Polignac number, because 71332049 - 2⁴ = 71332033 is a prime.

It is a super-2 number, since 2×71332049² = 10176522429076802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (71332043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35666024 + 35666025.

It is an arithmetic number, because the mean of its divisors is an integer number (35666025).

Almost surely, 2^71332049 is an apocalyptic number.

It is an amenable number.

71332049 is a deficient number, since it is larger than the sum of its proper divisors (1).

71332049 is an equidigital number, since it uses as much as digits as its factorization.

71332049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 71332049 is about 8445.8302729809. The cubic root of 71332049 is about 414.7262897343.

The spelling of 71332049 in words is "seventy-one million, three hundred thirty-two thousand, forty-nine".