61746071 has 2 divisors, whose sum is σ = 61746072. Its totient is φ = 61746070.

The previous prime is 61746011. The next prime is 61746077. The reversal of 61746071 is 17064716.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61746071 - 2¹⁸ = 61483927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61746077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30873035 + 30873036.

It is an arithmetic number, because the mean of its divisors is an integer number (30873036).

Almost surely, 2^61746071 is an apocalyptic number.

61746071 is a deficient number, since it is larger than the sum of its proper divisors (1).

61746071 is an equidigital number, since it uses as much as digits as its factorization.

61746071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 61746071 is about 7857.8668224907. The cubic root of 61746071 is about 395.2480864214.

The spelling of 61746071 in words is "sixty-one million, seven hundred forty-six thousand, seventy-one".