71626673 has 2 divisors, whose sum is σ = 71626674. Its totient is φ = 71626672.

The previous prime is 71626613. The next prime is 71626679. The reversal of 71626673 is 37662617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61277584 + 10349089 = 7828^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 71626673 - 2⁶ = 71626609 is a prime.

It is not a weakly prime, because it can be changed into another prime (71626679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35813336 + 35813337.

It is an arithmetic number, because the mean of its divisors is an integer number (35813337).

Almost surely, 2^71626673 is an apocalyptic number.

It is an amenable number.

71626673 is a deficient number, since it is larger than the sum of its proper divisors (1).

71626673 is an equidigital number, since it uses as much as digits as its factorization.

71626673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 71626673 is about 8463.2542795310. The cubic root of 71626673 is about 415.2964891493.

The spelling of 71626673 in words is "seventy-one million, six hundred twenty-six thousand, six hundred seventy-three".