71793697 has 2 divisors, whose sum is σ = 71793698. Its totient is φ = 71793696.

The previous prime is 71793671. The next prime is 71793707. The reversal of 71793697 is 79639717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70963776 + 829921 = 8424^2 + 911^2 .

It is a cyclic number.

It is not a de Polignac number, because 71793697 - 2¹⁹ = 71269409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71793697.

It is not a weakly prime, because it can be changed into another prime (71799697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35896848 + 35896849.

It is an arithmetic number, because the mean of its divisors is an integer number (35896849).

Almost surely, 2^71793697 is an apocalyptic number.

It is an amenable number.

71793697 is a deficient number, since it is larger than the sum of its proper divisors (1).

71793697 is an equidigital number, since it uses as much as digits as its factorization.

71793697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 500094, while the sum is 49.

The square root of 71793697 is about 8473.1161328050. The cubic root of 71793697 is about 415.6190441945.

The spelling of 71793697 in words is "seventy-one million, seven hundred ninety-three thousand, six hundred ninety-seven".