73406651 has 2 divisors, whose sum is σ = 73406652. Its totient is φ = 73406650.

The previous prime is 73406609. The next prime is 73406657. The reversal of 73406651 is 15660437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73406651 - 2⁶ = 73406587 is a prime.

It is a super-2 number, since 2×73406651² = 10777072822071602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73406657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36703325 + 36703326.

It is an arithmetic number, because the mean of its divisors is an integer number (36703326).

Almost surely, 2^73406651 is an apocalyptic number.

73406651 is a deficient number, since it is larger than the sum of its proper divisors (1).

73406651 is an equidigital number, since it uses as much as digits as its factorization.

73406651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 73406651 is about 8567.7681457892. The cubic root of 73406651 is about 418.7085253050.

The spelling of 73406651 in words is "seventy-three million, four hundred six thousand, six hundred fifty-one".