74224859 has 2 divisors, whose sum is σ = 74224860. Its totient is φ = 74224858.

The previous prime is 74224831. The next prime is 74224879. The reversal of 74224859 is 95842247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74224859 - 2⁸ = 74224603 is a prime.

It is not a weakly prime, because it can be changed into another prime (74224879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37112429 + 37112430.

It is an arithmetic number, because the mean of its divisors is an integer number (37112430).

Almost surely, 2^74224859 is an apocalyptic number.

74224859 is a deficient number, since it is larger than the sum of its proper divisors (1).

74224859 is an equidigital number, since it uses as much as digits as its factorization.

74224859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 74224859 is about 8615.3850175137. The cubic root of 74224859 is about 420.2584558116.

The spelling of 74224859 in words is "seventy-four million, two hundred twenty-four thousand, eight hundred fifty-nine".