60820993 has 8 divisors (see below), whose sum is σ = 63589248. Its totient is φ = 58063104.

The previous prime is 60820987. The next prime is 60820997. The reversal of 60820993 is 39902806.

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-60820993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60820997) 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, 10980 + ... + 15562.

It is an arithmetic number, because the mean of its divisors is an integer number (7948656).

Almost surely, 2^60820993 is an apocalyptic number.

It is an amenable number.

60820993 is a deficient number, since it is larger than the sum of its proper divisors (2768255).

60820993 is a wasteful number, since it uses less digits than its factorization.

60820993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 60820993 is about 7798.7815073895. The cubic root of 60820993 is about 393.2642806259.

The spelling of 60820993 in words is "sixty million, eight hundred twenty thousand, nine hundred ninety-three".