72573383 has 2 divisors, whose sum is σ = 72573384. Its totient is φ = 72573382.

The previous prime is 72573373. The next prime is 72573401. The reversal of 72573383 is 38337527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72573383 - 2⁴ = 72573367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72573313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36286691 + 36286692.

It is an arithmetic number, because the mean of its divisors is an integer number (36286692).

Almost surely, 2^72573383 is an apocalyptic number.

72573383 is a deficient number, since it is larger than the sum of its proper divisors (1).

72573383 is an equidigital number, since it uses as much as digits as its factorization.

72573383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 72573383 is about 8519.0012912313. The cubic root of 72573383 is about 417.1181836788.

The spelling of 72573383 in words is "seventy-two million, five hundred seventy-three thousand, three hundred eighty-three".