74334457 has 2 divisors, whose sum is σ = 74334458. Its totient is φ = 74334456.

The previous prime is 74334427. The next prime is 74334473. The reversal of 74334457 is 75443347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49294441 + 25040016 = 7021^2 + 5004^2 .

It is a cyclic number.

It is not a de Polignac number, because 74334457 - 2¹⁹ = 73810169 is a prime.

It is a super-2 number, since 2×74334457² = 11051222994969698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74334427) 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, 37167228 + 37167229.

It is an arithmetic number, because the mean of its divisors is an integer number (37167229).

Almost surely, 2^74334457 is an apocalyptic number.

It is an amenable number.

74334457 is a deficient number, since it is larger than the sum of its proper divisors (1).

74334457 is an equidigital number, since it uses as much as digits as its factorization.

74334457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 37.

The square root of 74334457 is about 8621.7432692003. The cubic root of 74334457 is about 420.4652007191.

The spelling of 74334457 in words is "seventy-four million, three hundred thirty-four thousand, four hundred fifty-seven".