60685657 has 4 divisors (see below), whose sum is σ = 61128756. Its totient is φ = 60242560.

The previous prime is 60685649. The next prime is 60685663. The reversal of 60685657 is 75658606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11909401 + 48776256 = 3451^2 + 6984^2 .

It is a cyclic number.

It is not a de Polignac number, because 60685657 - 2³ = 60685649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60685627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221344 + ... + 221617.

It is an arithmetic number, because the mean of its divisors is an integer number (15282189).

Almost surely, 2^60685657 is an apocalyptic number.

It is an amenable number.

60685657 is a deficient number, since it is larger than the sum of its proper divisors (443099).

60685657 is a wasteful number, since it uses less digits than its factorization.

60685657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443098.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 60685657 is about 7790.0999351741. The cubic root of 60685657 is about 392.9723729735.

The spelling of 60685657 in words is "sixty million, six hundred eighty-five thousand, six hundred fifty-seven".