73199641 has 2 divisors, whose sum is σ = 73199642. Its totient is φ = 73199640.

The previous prime is 73199591. The next prime is 73199699. The reversal of 73199641 is 14699137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48944016 + 24255625 = 6996^2 + 4925^2 .

It is an emirp because it is prime and its reverse (14699137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73199641 - 2¹³ = 73191449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73199594 and 73199603.

It is not a weakly prime, because it can be changed into another prime (73199141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36599820 + 36599821.

It is an arithmetic number, because the mean of its divisors is an integer number (36599821).

Almost surely, 2^73199641 is an apocalyptic number.

It is an amenable number.

73199641 is a deficient number, since it is larger than the sum of its proper divisors (1).

73199641 is an equidigital number, since it uses as much as digits as its factorization.

73199641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The square root of 73199641 is about 8555.6788742916. The cubic root of 73199641 is about 418.3145625598.

The spelling of 73199641 in words is "seventy-three million, one hundred ninety-nine thousand, six hundred forty-one".