74103813 has 24 divisors (see below), whose sum is σ = 123484608. Its totient is φ = 41945472.

The previous prime is 74103797. The next prime is 74103839. The reversal of 74103813 is 31830147.

It is not a de Polignac number, because 74103813 - 2⁴ = 74103797 is a prime.

It is a super-2 number, since 2×74103813² = 10982750202277938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74103853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1245 + ... + 12237.

It is an arithmetic number, because the mean of its divisors is an integer number (5145192).

Almost surely, 2^74103813 is an apocalyptic number.

It is an amenable number.

74103813 is a deficient number, since it is larger than the sum of its proper divisors (49380795).

74103813 is a wasteful number, since it uses less digits than its factorization.

74103813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11113 (or 11110 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 74103813 is about 8608.3571603413. The cubic root of 74103813 is about 420.0298788267.

The spelling of 74103813 in words is "seventy-four million, one hundred three thousand, eight hundred thirteen".