60721506675 has 18 divisors (see below), whose sum is σ = 108758965692. Its totient is φ = 32384803440.

The previous prime is 60721506667. The next prime is 60721506679. The reversal of 60721506675 is 57660512706.

60721506675 is a `hidden beast` number, since 6 + 0 + 72 + 1 + 506 + 6 + 75 = 666.

It is not a de Polignac number, because 60721506675 - 2³ = 60721506667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 60721506675.

It is not an unprimeable number, because it can be changed into a prime (60721506679) 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 17 ways as a sum of consecutive naturals, for example, 134936457 + ... + 134936906.

Almost surely, 2^60721506675 is an apocalyptic number.

60721506675 is a deficient number, since it is larger than the sum of its proper divisors (48037459017).

60721506675 is a wasteful number, since it uses less digits than its factorization.

60721506675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269873379 (or 269873371 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 60721506675 in words is "sixty billion, seven hundred twenty-one million, five hundred six thousand, six hundred seventy-five".