73425641 has 2 divisors, whose sum is σ = 73425642. Its totient is φ = 73425640.

The previous prime is 73425619. The next prime is 73425659. The reversal of 73425641 is 14652437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71995225 + 1430416 = 8485^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 73425641 - 2¹⁴ = 73409257 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73425598 and 73425607.

It is not a weakly prime, because it can be changed into another prime (73425691) 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, 36712820 + 36712821.

It is an arithmetic number, because the mean of its divisors is an integer number (36712821).

Almost surely, 2^73425641 is an apocalyptic number.

It is an amenable number.

73425641 is a deficient number, since it is larger than the sum of its proper divisors (1).

73425641 is an equidigital number, since it uses as much as digits as its factorization.

73425641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 73425641 is about 8568.8762973916. The cubic root of 73425641 is about 418.7446282522.

The spelling of 73425641 in words is "seventy-three million, four hundred twenty-five thousand, six hundred forty-one".