74738103545280 has 448 divisors, whose sum is σ = 295309503360000. Its totient is φ = 15625824141312.

The previous prime is 74738103545219. The next prime is 74738103545317. The reversal of 74738103545280 is 8254530183747.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 74738103545280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6389605 + ... + 13795044.

Almost surely, 2^{74738103545280} is an apocalyptic number.

74738103545280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74738103545280 is an abundant number, since it is smaller than the sum of its proper divisors (220571399814720).

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

74738103545280 is a wasteful number, since it uses less digits than its factorization.

74738103545280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184724 (or 20184714 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 74738103545280 in words is "seventy-four trillion, seven hundred thirty-eight billion, one hundred three million, five hundred forty-five thousand, two hundred eighty".