60664697 has 4 divisors (see below), whose sum is σ = 60936960. Its totient is φ = 60392436.

The previous prime is 60664691. The next prime is 60664717. The reversal of 60664697 is 79646606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60664697 - 2⁶ = 60664633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60664691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135797 + ... + 136242.

It is an arithmetic number, because the mean of its divisors is an integer number (15234240).

Almost surely, 2^60664697 is an apocalyptic number.

It is an amenable number.

60664697 is a deficient number, since it is larger than the sum of its proper divisors (272263).

60664697 is a wasteful number, since it uses less digits than its factorization.

60664697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272262.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 60664697 is about 7788.7545217448. The cubic root of 60664697 is about 392.9271253273.

The spelling of 60664697 in words is "sixty million, six hundred sixty-four thousand, six hundred ninety-seven".