61764127 has 2 divisors, whose sum is σ = 61764128. Its totient is φ = 61764126.

The previous prime is 61764097. The next prime is 61764139. The reversal of 61764127 is 72146716.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61764127 - 2¹⁹ = 61239839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61764092 and 61764101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61764167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30882063 + 30882064.

It is an arithmetic number, because the mean of its divisors is an integer number (30882064).

Almost surely, 2^61764127 is an apocalyptic number.

61764127 is a deficient number, since it is larger than the sum of its proper divisors (1).

61764127 is an equidigital number, since it uses as much as digits as its factorization.

61764127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 61764127 is about 7859.0156508306. The cubic root of 61764127 is about 395.2866092715.

The spelling of 61764127 in words is "sixty-one million, seven hundred sixty-four thousand, one hundred twenty-seven".