74837668 has 6 divisors (see below), whose sum is σ = 130965926. Its totient is φ = 37418832.

The previous prime is 74837663. The next prime is 74837681. The reversal of 74837668 is 86673847.

It can be written as a sum of positive squares in only one way, i.e., 42484324 + 32353344 = 6518^2 + 5688^2 .

It is not an unprimeable number, because it can be changed into a prime (74837663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9354705 + ... + 9354712.

Almost surely, 2^74837668 is an apocalyptic number.

It is an amenable number.

74837668 is a deficient number, since it is larger than the sum of its proper divisors (56128258).

74837668 is a wasteful number, since it uses less digits than its factorization.

74837668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18709421 (or 18709419 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 74837668 is about 8650.8767185760. The cubic root of 74837668 is about 421.4118548464.

It can be divided in two parts, 7483 and 7668, that added together give a palindrome (15151).

The spelling of 74837668 in words is "seventy-four million, eight hundred thirty-seven thousand, six hundred sixty-eight".