60840749 has 2 divisors, whose sum is σ = 60840750. Its totient is φ = 60840748.

The previous prime is 60840737. The next prime is 60840781. The reversal of 60840749 is 94704806.

It is a happy number.

60840749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59752900 + 1087849 = 7730^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 60840749 - 2⁴ = 60840733 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 (60840799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30420374 + 30420375.

It is an arithmetic number, because the mean of its divisors is an integer number (30420375).

Almost surely, 2^60840749 is an apocalyptic number.

It is an amenable number.

60840749 is a deficient number, since it is larger than the sum of its proper divisors (1).

60840749 is an equidigital number, since it uses as much as digits as its factorization.

60840749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 60840749 is about 7800.0480126727. The cubic root of 60840749 is about 393.3068563205.

The spelling of 60840749 in words is "sixty million, eight hundred forty thousand, seven hundred forty-nine".