61349767 has 2 divisors, whose sum is σ = 61349768. Its totient is φ = 61349766.

The previous prime is 61349749. The next prime is 61349831. The reversal of 61349767 is 76794316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61349767 - 2¹¹ = 61347719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61329767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30674883 + 30674884.

It is an arithmetic number, because the mean of its divisors is an integer number (30674884).

Almost surely, 2^61349767 is an apocalyptic number.

61349767 is a deficient number, since it is larger than the sum of its proper divisors (1).

61349767 is an equidigital number, since it uses as much as digits as its factorization.

61349767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 61349767 is about 7832.6092076651. The cubic root of 61349767 is about 394.4006656225.

The spelling of 61349767 in words is "sixty-one million, three hundred forty-nine thousand, seven hundred sixty-seven".