74747632306 has 8 divisors (see below), whose sum is σ = 112144758444. Its totient is φ = 37366046160.

The previous prime is 74747632283. The next prime is 74747632343. The reversal of 74747632306 is 60323674747.

It can be written as a sum of positive squares in 2 ways, for example, as 70804420281 + 3943212025 = 266091^2 + 62795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 74747632306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3872965 + ... + 3892216.

Almost surely, 2^74747632306 is an apocalyptic number.

74747632306 is a deficient number, since it is larger than the sum of its proper divisors (37397126138).

74747632306 is a wasteful number, since it uses less digits than its factorization.

74747632306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769996.

The product of its (nonzero) digits is 3556224, while the sum is 49.

The spelling of 74747632306 in words is "seventy-four billion, seven hundred forty-seven million, six hundred thirty-two thousand, three hundred six".