61070377 has 2 divisors, whose sum is σ = 61070378. Its totient is φ = 61070376.

The previous prime is 61070371. The next prime is 61070417. The reversal of 61070377 is 77307016.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41525136 + 19545241 = 6444^2 + 4421^2 .

It is a cyclic number.

It is not a de Polignac number, because 61070377 - 2¹⁹ = 60546089 is a prime.

It is not a weakly prime, because it can be changed into another prime (61070371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30535188 + 30535189.

It is an arithmetic number, because the mean of its divisors is an integer number (30535189).

Almost surely, 2^61070377 is an apocalyptic number.

It is an amenable number.

61070377 is a deficient number, since it is larger than the sum of its proper divisors (1).

61070377 is an equidigital number, since it uses as much as digits as its factorization.

61070377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 61070377 is about 7814.7538029038. The cubic root of 61070377 is about 393.8010474843.

The spelling of 61070377 in words is "sixty-one million, seventy thousand, three hundred seventy-seven".