73528313 has 2 divisors, whose sum is σ = 73528314. Its totient is φ = 73528312.

The previous prime is 73528307. The next prime is 73528319. The reversal of 73528313 is 31382537.

It is a balanced prime because it is at equal distance from previous prime (73528307) and next prime (73528319).

It can be written as a sum of positive squares in only one way, i.e., 59413264 + 14115049 = 7708^2 + 3757^2 .

It is a cyclic number.

It is not a de Polignac number, because 73528313 - 2⁴ = 73528297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73528313.

It is not a weakly prime, because it can be changed into another prime (73528319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36764156 + 36764157.

It is an arithmetic number, because the mean of its divisors is an integer number (36764157).

Almost surely, 2^73528313 is an apocalyptic number.

It is an amenable number.

73528313 is a deficient number, since it is larger than the sum of its proper divisors (1).

73528313 is an equidigital number, since it uses as much as digits as its factorization.

73528313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 73528313 is about 8574.8651884447. The cubic root of 73528313 is about 418.9397159811.

The spelling of 73528313 in words is "seventy-three million, five hundred twenty-eight thousand, three hundred thirteen".