60340721 has 8 divisors (see below), whose sum is σ = 69347520. Its totient is φ = 51430608.

The previous prime is 60340711. The next prime is 60340723. The reversal of 60340721 is 12704306.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60340721 is a prime.

It is a super-2 number, since 2×60340721² = 7282005221599682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60340723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22826 + ... + 25331.

It is an arithmetic number, because the mean of its divisors is an integer number (8668440).

Almost surely, 2^60340721 is an apocalyptic number.

It is an amenable number.

60340721 is a deficient number, since it is larger than the sum of its proper divisors (9006799).

60340721 is a wasteful number, since it uses less digits than its factorization.

60340721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48343.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 60340721 is about 7767.9290032801. The cubic root of 60340721 is about 392.2264089300.

The spelling of 60340721 in words is "sixty million, three hundred forty thousand, seven hundred twenty-one".