74704636 has 12 divisors (see below), whose sum is σ = 130804128. Its totient is φ = 37332032.

The previous prime is 74704633. The next prime is 74704657. The reversal of 74704636 is 63640747.

It is a junction number, because it is equal to n+sod(n) for n = 74704595 and 74704604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74704633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5805 + ... + 13531.

It is an arithmetic number, because the mean of its divisors is an integer number (10900344).

Almost surely, 2^74704636 is an apocalyptic number.

It is an amenable number.

74704636 is a deficient number, since it is larger than the sum of its proper divisors (56099492).

74704636 is a wasteful number, since it uses less digits than its factorization.

74704636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148 (or 10146 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 74704636 is about 8643.1843668870. The cubic root of 74704636 is about 421.1620051182.

The spelling of 74704636 in words is "seventy-four million, seven hundred four thousand, six hundred thirty-six".