74825321 has 2 divisors, whose sum is σ = 74825322. Its totient is φ = 74825320.

The previous prime is 74825299. The next prime is 74825327. The reversal of 74825321 is 12352847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70744921 + 4080400 = 8411^2 + 2020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74825321 is a prime.

It is not a weakly prime, because it can be changed into another prime (74825327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37412660 + 37412661.

It is an arithmetic number, because the mean of its divisors is an integer number (37412661).

Almost surely, 2^74825321 is an apocalyptic number.

It is an amenable number.

74825321 is a deficient number, since it is larger than the sum of its proper divisors (1).

74825321 is an equidigital number, since it uses as much as digits as its factorization.

74825321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 74825321 is about 8650.1630620469. The cubic root of 74825321 is about 421.3886782007.

The spelling of 74825321 in words is "seventy-four million, eight hundred twenty-five thousand, three hundred twenty-one".