71265473 has 2 divisors, whose sum is σ = 71265474. Its totient is φ = 71265472.

The previous prime is 71265463. The next prime is 71265517. The reversal of 71265473 is 37456217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69338929 + 1926544 = 8327^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 71265473 - 2⁴ = 71265457 is a prime.

It is not a weakly prime, because it can be changed into another prime (71265463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35632736 + 35632737.

It is an arithmetic number, because the mean of its divisors is an integer number (35632737).

Almost surely, 2^71265473 is an apocalyptic number.

It is an amenable number.

71265473 is a deficient number, since it is larger than the sum of its proper divisors (1).

71265473 is an equidigital number, since it uses as much as digits as its factorization.

71265473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 71265473 is about 8441.8879997309. The cubic root of 71265473 is about 414.5972247382.

The spelling of 71265473 in words is "seventy-one million, two hundred sixty-five thousand, four hundred seventy-three".