74063636 has 12 divisors (see below), whose sum is σ = 129981012. Its totient is φ = 36926208.

The previous prime is 74063629. The next prime is 74063663. The reversal of 74063636 is 63636047.

It can be written as a sum of positive squares in 2 ways, for example, as 29920900 + 44142736 = 5470^2 + 6644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74063596 and 74063605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24815 + ... + 27638.

It is an arithmetic number, because the mean of its divisors is an integer number (10831751).

Almost surely, 2^74063636 is an apocalyptic number.

It is an amenable number.

74063636 is a deficient number, since it is larger than the sum of its proper divisors (55917376).

74063636 is a wasteful number, since it uses less digits than its factorization.

74063636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52810 (or 52808 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 74063636 is about 8606.0232395689. The cubic root of 74063636 is about 419.9539556478.

The spelling of 74063636 in words is "seventy-four million, sixty-three thousand, six hundred thirty-six".