74015436 has 48 divisors (see below), whose sum is σ = 191237760. Its totient is φ = 22091520.

The previous prime is 74015413. The next prime is 74015437. The reversal of 74015436 is 63451047.

74015436 is nontrivially palindromic in base 15.

It is not an unprimeable number, because it can be changed into a prime (74015437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4660 + ... + 13028.

It is an arithmetic number, because the mean of its divisors is an integer number (3984120).

Almost surely, 2^74015436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74015436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95618880).

74015436 is an abundant number, since it is smaller than the sum of its proper divisors (117222324).

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

74015436 is a wasteful number, since it uses less digits than its factorization.

74015436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8454 (or 8452 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 74015436 is about 8603.2224195356. Note that the first 3 decimals coincide. The cubic root of 74015436 is about 419.8628350277.

The spelling of 74015436 in words is "seventy-four million, fifteen thousand, four hundred thirty-six".