73528541 has 2 divisors, whose sum is σ = 73528542. Its totient is φ = 73528540.

The previous prime is 73528531. The next prime is 73528577. The reversal of 73528541 is 14582537.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70392100 + 3136441 = 8390^2 + 1771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73528541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73528501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36764270 + 36764271.

It is an arithmetic number, because the mean of its divisors is an integer number (36764271).

Almost surely, 2^73528541 is an apocalyptic number.

It is an amenable number.

73528541 is a deficient number, since it is larger than the sum of its proper divisors (1).

73528541 is an equidigital number, since it uses as much as digits as its factorization.

73528541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 73528541 is about 8574.8784831040. The cubic root of 73528541 is about 418.9401490032.

The spelling of 73528541 in words is "seventy-three million, five hundred twenty-eight thousand, five hundred forty-one".