60707921 has 8 divisors (see below), whose sum is σ = 62332200. Its totient is φ = 59090560.

The previous prime is 60707909. The next prime is 60707923. The reversal of 60707921 is 12970706.

60707921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13249600 + 47458321 = 3640^2 + 6889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 60707921 - 2²² = 56513617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60707923) 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 in 7 ways as a sum of consecutive naturals, for example, 19415 + ... + 22323.

It is an arithmetic number, because the mean of its divisors is an integer number (7791525).

Almost surely, 2^60707921 is an apocalyptic number.

It is an amenable number.

60707921 is a deficient number, since it is larger than the sum of its proper divisors (1624279).

60707921 is a wasteful number, since it uses less digits than its factorization.

60707921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 60707921 is about 7791.5287973542. The cubic root of 60707921 is about 393.0204242353.

The spelling of 60707921 in words is "sixty million, seven hundred seven thousand, nine hundred twenty-one".