73925549 has 2 divisors, whose sum is σ = 73925550. Its totient is φ = 73925548.

The previous prime is 73925539. The next prime is 73925563. The reversal of 73925549 is 94552937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72675625 + 1249924 = 8525^2 + 1118^2 .

It is an emirp because it is prime and its reverse (94552937) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73925549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73925539) 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, 36962774 + 36962775.

It is an arithmetic number, because the mean of its divisors is an integer number (36962775).

Almost surely, 2^73925549 is an apocalyptic number.

It is an amenable number.

73925549 is a deficient number, since it is larger than the sum of its proper divisors (1).

73925549 is an equidigital number, since it uses as much as digits as its factorization.

73925549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 44.

The square root of 73925549 is about 8597.9968015812. The cubic root of 73925549 is about 419.6928006822.

The spelling of 73925549 in words is "seventy-three million, nine hundred twenty-five thousand, five hundred forty-nine".