74534644610 has 8 divisors (see below), whose sum is σ = 134162360316. Its totient is φ = 29813857840.

The previous prime is 74534644607. The next prime is 74534644663. The reversal of 74534644610 is 1644643547.

It can be written as a sum of positive squares in 2 ways, for example, as 71632775449 + 2901869161 = 267643^2 + 53869^2 .

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

It is a Curzon number.

It is an unprimeable number.

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, 3726732221 + ... + 3726732240.

Almost surely, 2^74534644610 is an apocalyptic number.

74534644610 is a deficient number, since it is larger than the sum of its proper divisors (59627715706).

74534644610 is a wasteful number, since it uses less digits than its factorization.

74534644610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7453464468.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 74534644610 in words is "seventy-four billion, five hundred thirty-four million, six hundred forty-four thousand, six hundred ten".