60673721 has 4 divisors (see below), whose sum is σ = 60690000. Its totient is φ = 60657444.

The previous prime is 60673699. The next prime is 60673729. The reversal of 60673721 is 12737606.

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 60673721 - 2¹⁰ = 60672697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60673729) 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, 530 + ... + 11028.

It is an arithmetic number, because the mean of its divisors is an integer number (15172500).

Almost surely, 2^60673721 is an apocalyptic number.

It is an amenable number.

60673721 is a deficient number, since it is larger than the sum of its proper divisors (16279).

60673721 is a wasteful number, since it uses less digits than its factorization.

60673721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16278.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 60673721 is about 7789.3337969303. Note that the first 3 decimals coincide. The cubic root of 60673721 is about 392.9466072707.

The spelling of 60673721 in words is "sixty million, six hundred seventy-three thousand, seven hundred twenty-one".