74209662512 has 20 divisors (see below), whose sum is σ = 143933078616. Its totient is φ = 37065642240.

The previous prime is 74209662497. The next prime is 74209662517. The reversal of 74209662512 is 21526690247.

It is not an unprimeable number, because it can be changed into a prime (74209662517) 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, 2433689 + ... + 2463992.

Almost surely, 2^74209662512 is an apocalyptic number.

It is an amenable number.

74209662512 is a deficient number, since it is larger than the sum of its proper divisors (69723416104).

74209662512 is a wasteful number, since it uses less digits than its factorization.

74209662512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4898636 (or 4898630 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 74209662512 in words is "seventy-four billion, two hundred nine million, six hundred sixty-two thousand, five hundred twelve".