74855134 has 4 divisors (see below), whose sum is σ = 112282704. Its totient is φ = 37427566.

The previous prime is 74855101. The next prime is 74855159. The reversal of 74855134 is 43155847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43155847 = 7 ⋅6165121.

It is a junction number, because it is equal to n+sod(n) for n = 74855093 and 74855102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18713782 + ... + 18713785.

It is an arithmetic number, because the mean of its divisors is an integer number (28070676).

Almost surely, 2^74855134 is an apocalyptic number.

74855134 is a deficient number, since it is larger than the sum of its proper divisors (37427570).

74855134 is a wasteful number, since it uses less digits than its factorization.

74855134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37427569.

The product of its digits is 67200, while the sum is 37.

The square root of 74855134 is about 8651.8861527415. The cubic root of 74855134 is about 421.4446360520. Note that the first 3 decimals are identical.

The spelling of 74855134 in words is "seventy-four million, eight hundred fifty-five thousand, one hundred thirty-four".