74445836 has 6 divisors (see below), whose sum is σ = 130280220. Its totient is φ = 37222916.

The previous prime is 74445827. The next prime is 74445841. The reversal of 74445836 is 63854447.

It is a junction number, because it is equal to n+sod(n) for n = 74445793 and 74445802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9305726 + ... + 9305733.

It is an arithmetic number, because the mean of its divisors is an integer number (21713370).

Almost surely, 2^74445836 is an apocalyptic number.

It is an amenable number.

74445836 is a deficient number, since it is larger than the sum of its proper divisors (55834384).

74445836 is a wasteful number, since it uses less digits than its factorization.

74445836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18611463 (or 18611461 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 74445836 is about 8628.2000440416. The cubic root of 74445836 is about 420.6750972023.

The spelling of 74445836 in words is "seventy-four million, four hundred forty-five thousand, eight hundred thirty-six".