74855893 has 4 divisors (see below), whose sum is σ = 85549600. Its totient is φ = 64162188.

The previous prime is 74855887. The next prime is 74855899. The reversal of 74855893 is 39855847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (74855887) and next prime (74855899).

It is a cyclic number.

It is not a de Polignac number, because 74855893 - 2⁵ = 74855861 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 (74855899) 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, 5346843 + ... + 5346856.

It is an arithmetic number, because the mean of its divisors is an integer number (21387400).

Almost surely, 2^74855893 is an apocalyptic number.

It is an amenable number.

74855893 is a deficient number, since it is larger than the sum of its proper divisors (10693707).

74855893 is a wasteful number, since it uses less digits than its factorization.

74855893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10693706.

The product of its digits is 1209600, while the sum is 49.

The square root of 74855893 is about 8651.9300158982. The cubic root of 74855893 is about 421.4460604717.

The spelling of 74855893 in words is "seventy-four million, eight hundred fifty-five thousand, eight hundred ninety-three".