74830573 has 2 divisors, whose sum is σ = 74830574. Its totient is φ = 74830572.

The previous prime is 74830543. The next prime is 74830589. The reversal of 74830573 is 37503847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69438889 + 5391684 = 8333^2 + 2322^2 .

It is an emirp because it is prime and its reverse (37503847) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74830573 is a prime.

It is a super-2 number, since 2×74830573² = 11199229311016658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74830543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37415286 + 37415287.

It is an arithmetic number, because the mean of its divisors is an integer number (37415287).

Almost surely, 2^74830573 is an apocalyptic number.

It is an amenable number.

74830573 is a deficient number, since it is larger than the sum of its proper divisors (1).

74830573 is an equidigital number, since it uses as much as digits as its factorization.

74830573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 74830573 is about 8650.4666348123. The cubic root of 74830573 is about 421.3985370806.

The spelling of 74830573 in words is "seventy-four million, eight hundred thirty thousand, five hundred seventy-three".