71976241 has 2 divisors, whose sum is σ = 71976242. Its totient is φ = 71976240.

The previous prime is 71976227. The next prime is 71976251. The reversal of 71976241 is 14267917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55815841 + 16160400 = 7471^2 + 4020^2 .

It is a cyclic number.

It is not a de Polignac number, because 71976241 - 2⁵ = 71976209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71976241.

It is not a weakly prime, because it can be changed into another prime (71976221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35988120 + 35988121.

It is an arithmetic number, because the mean of its divisors is an integer number (35988121).

Almost surely, 2^71976241 is an apocalyptic number.

It is an amenable number.

71976241 is a deficient number, since it is larger than the sum of its proper divisors (1).

71976241 is an equidigital number, since it uses as much as digits as its factorization.

71976241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 71976241 is about 8483.8812462222. The cubic root of 71976241 is about 415.9709996580.

The spelling of 71976241 in words is "seventy-one million, nine hundred seventy-six thousand, two hundred forty-one".