74859863 has 4 divisors (see below), whose sum is σ = 80618328. Its totient is φ = 69101400.

The previous prime is 74859859. The next prime is 74859881. The reversal of 74859863 is 36895847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36895847 = 107 ⋅344821.

It is a cyclic number.

It is not a de Polignac number, because 74859863 - 2² = 74859859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74859853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2879213 + ... + 2879238.

It is an arithmetic number, because the mean of its divisors is an integer number (20154582).

Almost surely, 2^74859863 is an apocalyptic number.

74859863 is a deficient number, since it is larger than the sum of its proper divisors (5758465).

74859863 is a wasteful number, since it uses less digits than its factorization.

74859863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758464.

The product of its digits is 1451520, while the sum is 50.

The square root of 74859863 is about 8652.1594414343. The cubic root of 74859863 is about 421.4535108372.

The spelling of 74859863 in words is "seventy-four million, eight hundred fifty-nine thousand, eight hundred sixty-three".