74841813 has 24 divisors (see below), whose sum is σ = 114511488. Its totient is φ = 48825504.

The previous prime is 74841797. The next prime is 74841829. The reversal of 74841813 is 31814847.

It is an interprime number because it is at equal distance from previous prime (74841797) and next prime (74841829).

It is not a de Polignac number, because 74841813 - 2⁴ = 74841797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74841413) 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, 8145 + ... + 14697.

It is an arithmetic number, because the mean of its divisors is an integer number (4771312).

Almost surely, 2^74841813 is an apocalyptic number.

It is an amenable number.

74841813 is a deficient number, since it is larger than the sum of its proper divisors (39669675).

74841813 is an equidigital number, since it uses as much as digits as its factorization.

74841813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615 (or 6603 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 74841813 is about 8651.1162863529. The cubic root of 74841813 is about 421.4196348853.

The spelling of 74841813 in words is "seventy-four million, eight hundred forty-one thousand, eight hundred thirteen".