74513838 has 16 divisors (see below), whose sum is σ = 170317440. Its totient is φ = 21289656.

The previous prime is 74513833. The next prime is 74513843. The reversal of 74513838 is 83831547.

It is an interprime number because it is at equal distance from previous prime (74513833) and next prime (74513843).

It is a junction number, because it is equal to n+sod(n) for n = 74513796 and 74513805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74513833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887028 + ... + 887111.

It is an arithmetic number, because the mean of its divisors is an integer number (10644840).

Almost surely, 2^74513838 is an apocalyptic number.

74513838 is an abundant number, since it is smaller than the sum of its proper divisors (95803602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74513838 is a wasteful number, since it uses less digits than its factorization.

74513838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774151.

The product of its digits is 80640, while the sum is 39.

The square root of 74513838 is about 8632.1398274124. The cubic root of 74513838 is about 420.8031457439.

The spelling of 74513838 in words is "seventy-four million, five hundred thirteen thousand, eight hundred thirty-eight".