74709936 has 120 divisors (see below), whose sum is σ = 241142304. Its totient is φ = 21150720.

The previous prime is 74709889. The next prime is 74709937. The reversal of 74709936 is 63990747.

It is a junction number, because it is equal to n+sod(n) for n = 74709891 and 74709900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74709937) 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, 137826 + ... + 138366.

Almost surely, 2^74709936 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 74709936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120571152).

74709936 is an abundant number, since it is smaller than the sum of its proper divisors (166432368).

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

74709936 is a wasteful number, since it uses less digits than its factorization.

74709936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 74709936 is about 8643.4909614114. The cubic root of 74709936 is about 421.1719648118.

The spelling of 74709936 in words is "seventy-four million, seven hundred nine thousand, nine hundred thirty-six".