73628573 has 2 divisors, whose sum is σ = 73628574. Its totient is φ = 73628572.

The previous prime is 73628561. The next prime is 73628587. The reversal of 73628573 is 37582637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69189124 + 4439449 = 8318^2 + 2107^2 .

It is a cyclic number.

It is not a de Polignac number, because 73628573 - 2⁶ = 73628509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73628573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73628473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36814286 + 36814287.

It is an arithmetic number, because the mean of its divisors is an integer number (36814287).

Almost surely, 2^73628573 is an apocalyptic number.

It is an amenable number.

73628573 is a deficient number, since it is larger than the sum of its proper divisors (1).

73628573 is an equidigital number, since it uses as much as digits as its factorization.

73628573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 41.

The square root of 73628573 is about 8580.7093529614. The cubic root of 73628573 is about 419.1300454726.

The spelling of 73628573 in words is "seventy-three million, six hundred twenty-eight thousand, five hundred seventy-three".