74521936 has 10 divisors (see below), whose sum is σ = 144386282. Its totient is φ = 37260960.

The previous prime is 74521921. The next prime is 74521939. The reversal of 74521936 is 63912547.

It can be written as a sum of positive squares in only one way, i.e., 55651600 + 18870336 = 7460^2 + 4344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74521895 and 74521904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74521939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2328795 + ... + 2328826.

Almost surely, 2^74521936 is an apocalyptic number.

It is an amenable number.

74521936 is a deficient number, since it is larger than the sum of its proper divisors (69864346).

74521936 is a wasteful number, since it uses less digits than its factorization.

74521936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657629 (or 4657623 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 74521936 is about 8632.6088756528. The cubic root of 74521936 is about 420.8183891784.

It can be divided in two parts, 74521 and 936, that added together give a palindrome (75457).

The spelling of 74521936 in words is "seventy-four million, five hundred twenty-one thousand, nine hundred thirty-six".