73683541 has 2 divisors, whose sum is σ = 73683542. Its totient is φ = 73683540.

The previous prime is 73683529. The next prime is 73683551. The reversal of 73683541 is 14538637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56700900 + 16982641 = 7530^2 + 4121^2 .

It is an emirp because it is prime and its reverse (14538637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73683541 - 2⁵ = 73683509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73683541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73683551) 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, 36841770 + 36841771.

It is an arithmetic number, because the mean of its divisors is an integer number (36841771).

Almost surely, 2^73683541 is an apocalyptic number.

It is an amenable number.

73683541 is a deficient number, since it is larger than the sum of its proper divisors (1).

73683541 is an equidigital number, since it uses as much as digits as its factorization.

73683541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 73683541 is about 8583.9117539732. The cubic root of 73683541 is about 419.2343211567.

The spelling of 73683541 in words is "seventy-three million, six hundred eighty-three thousand, five hundred forty-one".