74452897 has 2 divisors, whose sum is σ = 74452898. Its totient is φ = 74452896.

The previous prime is 74452837. The next prime is 74452913. The reversal of 74452897 is 79825447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54774801 + 19678096 = 7401^2 + 4436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74452897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74452837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37226448 + 37226449.

It is an arithmetic number, because the mean of its divisors is an integer number (37226449).

Almost surely, 2^74452897 is an apocalyptic number.

It is an amenable number.

74452897 is a deficient number, since it is larger than the sum of its proper divisors (1).

74452897 is an equidigital number, since it uses as much as digits as its factorization.

74452897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 46.

The square root of 74452897 is about 8628.6092158586. The cubic root of 74452897 is about 420.6883967729.

The spelling of 74452897 in words is "seventy-four million, four hundred fifty-two thousand, eight hundred ninety-seven".