71294791 has 2 divisors, whose sum is σ = 71294792. Its totient is φ = 71294790.

The previous prime is 71294771. The next prime is 71294807. The reversal of 71294791 is 19749217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71294791 - 2¹³ = 71286599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71294771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35647395 + 35647396.

It is an arithmetic number, because the mean of its divisors is an integer number (35647396).

Almost surely, 2^71294791 is an apocalyptic number.

71294791 is a deficient number, since it is larger than the sum of its proper divisors (1).

71294791 is an equidigital number, since it uses as much as digits as its factorization.

71294791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 40.

The square root of 71294791 is about 8443.6242810774. The cubic root of 71294791 is about 414.6540708492.

The spelling of 71294791 in words is "seventy-one million, two hundred ninety-four thousand, seven hundred ninety-one".