74106863 has 2 divisors, whose sum is σ = 74106864. Its totient is φ = 74106862.

The previous prime is 74106853. The next prime is 74106871. The reversal of 74106863 is 36860147.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74106863 - 2¹² = 74102767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74106853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37053431 + 37053432.

It is an arithmetic number, because the mean of its divisors is an integer number (37053432).

Almost surely, 2^74106863 is an apocalyptic number.

74106863 is a deficient number, since it is larger than the sum of its proper divisors (1).

74106863 is an equidigital number, since it uses as much as digits as its factorization.

74106863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 74106863 is about 8608.5343119488. The cubic root of 74106863 is about 420.0356413442.

The spelling of 74106863 in words is "seventy-four million, one hundred six thousand, eight hundred sixty-three".