74973475966550 has 96 divisors (see below), whose sum is σ = 162457923456000. Its totient is φ = 25211427068160.

The previous prime is 74973475966541. The next prime is 74973475966589. The reversal of 74973475966550 is 5566957437947.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3623150 + ... + 12770049.

It is an arithmetic number, because the mean of its divisors is an integer number (1692270036000).

Almost surely, 2^{74973475966550} is an apocalyptic number.

74973475966550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74973475966550 is an abundant number, since it is smaller than the sum of its proper divisors (87484447489450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74973475966550 is a wasteful number, since it uses less digits than its factorization.

74973475966550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16393470 (or 16393465 counting only the distinct ones).

The product of its (nonzero) digits is 6001128000, while the sum is 77.

The spelling of 74973475966550 in words is "seventy-four trillion, nine hundred seventy-three billion, four hundred seventy-five million, nine hundred sixty-six thousand, five hundred fifty".