71401193 has 2 divisors, whose sum is σ = 71401194. Its totient is φ = 71401192.

The previous prime is 71401181. The next prime is 71401283. The reversal of 71401193 is 39110417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56370064 + 15031129 = 7508^2 + 3877^2 .

It is a cyclic number.

It is not a de Polignac number, because 71401193 - 2⁶ = 71401129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71401093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35700596 + 35700597.

It is an arithmetic number, because the mean of its divisors is an integer number (35700597).

Almost surely, 2^71401193 is an apocalyptic number.

It is an amenable number.

71401193 is a deficient number, since it is larger than the sum of its proper divisors (1).

71401193 is an equidigital number, since it uses as much as digits as its factorization.

71401193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 71401193 is about 8449.9226623680. The cubic root of 71401193 is about 414.8602481001.

The spelling of 71401193 in words is "seventy-one million, four hundred one thousand, one hundred ninety-three".