61726393 has 2 divisors, whose sum is σ = 61726394. Its totient is φ = 61726392.

The previous prime is 61726387. The next prime is 61726409. The reversal of 61726393 is 39362716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35378704 + 26347689 = 5948^2 + 5133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61726393 is a prime.

It is not a weakly prime, because it can be changed into another prime (61726333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30863196 + 30863197.

It is an arithmetic number, because the mean of its divisors is an integer number (30863197).

Almost surely, 2^61726393 is an apocalyptic number.

It is an amenable number.

61726393 is a deficient number, since it is larger than the sum of its proper divisors (1).

61726393 is an equidigital number, since it uses as much as digits as its factorization.

61726393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 61726393 is about 7856.6146017226. The cubic root of 61726393 is about 395.2060944474.

The spelling of 61726393 in words is "sixty-one million, seven hundred twenty-six thousand, three hundred ninety-three".