60720761 has 2 divisors, whose sum is σ = 60720762. Its totient is φ = 60720760.

The previous prime is 60720701. The next prime is 60720769. The reversal of 60720761 is 16702706.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50197225 + 10523536 = 7085^2 + 3244^2 .

It is a cyclic number.

It is not a de Polignac number, because 60720761 - 2⁶ = 60720697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60720769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30360380 + 30360381.

It is an arithmetic number, because the mean of its divisors is an integer number (30360381).

Almost surely, 2^60720761 is an apocalyptic number.

It is an amenable number.

60720761 is a deficient number, since it is larger than the sum of its proper divisors (1).

60720761 is an equidigital number, since it uses as much as digits as its factorization.

60720761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 60720761 is about 7792.3527255894. The cubic root of 60720761 is about 393.0481308148.

The spelling of 60720761 in words is "sixty million, seven hundred twenty thousand, seven hundred sixty-one".