73187051 has 8 divisors (see below), whose sum is σ = 83806464. Its totient is φ = 62608680.

The previous prime is 73187047. The next prime is 73187053. The reversal of 73187051 is 15078137.

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

It is a cyclic number.

It is not a de Polignac number, because 73187051 - 2² = 73187047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73186999 and 73187017.

It is not an unprimeable number, because it can be changed into a prime (73187053) 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 7 ways as a sum of consecutive naturals, for example, 6335 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (10475808).

Almost surely, 2^73187051 is an apocalyptic number.

73187051 is a deficient number, since it is larger than the sum of its proper divisors (10619413).

73187051 is a wasteful number, since it uses less digits than its factorization.

73187051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20521.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 73187051 is about 8554.9430740362. The cubic root of 73187051 is about 418.2905784607.

The spelling of 73187051 in words is "seventy-three million, one hundred eighty-seven thousand, fifty-one".