73660051 has 2 divisors, whose sum is σ = 73660052. Its totient is φ = 73660050.

The previous prime is 73660043. The next prime is 73660079. The reversal of 73660051 is 15006637.

It is an a-pointer prime, because the next prime (73660079) can be obtained adding 73660051 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73660051 - 2³ = 73660043 is a prime.

It is a super-2 number, since 2×73660051² = 10851606226645202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73660021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36830025 + 36830026.

It is an arithmetic number, because the mean of its divisors is an integer number (36830026).

Almost surely, 2^73660051 is an apocalyptic number.

73660051 is a deficient number, since it is larger than the sum of its proper divisors (1).

73660051 is an equidigital number, since it uses as much as digits as its factorization.

73660051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 73660051 is about 8582.5433875979. The cubic root of 73660051 is about 419.1897663813.

Adding to 73660051 its reverse (15006637), we get a palindrome (88666688).

The spelling of 73660051 in words is "seventy-three million, six hundred sixty thousand, fifty-one".