60417721 has 16 divisors (see below), whose sum is σ = 75769344. Its totient is φ = 46897344.

The previous prime is 60417713. The next prime is 60417727. The reversal of 60417721 is 12771406.

It is not a de Polignac number, because 60417721 - 2³ = 60417713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60417721.

It is not an unprimeable number, because it can be changed into a prime (60417727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441 + ... + 11086.

It is an arithmetic number, because the mean of its divisors is an integer number (4735584).

Almost surely, 2^60417721 is an apocalyptic number.

It is an amenable number.

60417721 is a deficient number, since it is larger than the sum of its proper divisors (15351623).

60417721 is a wasteful number, since it uses less digits than its factorization.

60417721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12600.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 60417721 is about 7772.8836991171. The cubic root of 60417721 is about 392.3931763331.

The spelling of 60417721 in words is "sixty million, four hundred seventeen thousand, seven hundred twenty-one".