74542502440000 has 525 divisors, whose sum is σ = 215880251878841. Its totient is φ = 25528419840000.

The previous prime is 74542502439997. The next prime is 74542502440027. The reversal of 74542502440000 is 4420524547.

The square root of 74542502440000 is 8633800.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 72913428012096 + 1629074427904 = 8538936^2 + 1276352^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 84611239560 + ... + 84611240440.

Almost surely, 2^{74542502440000} is an apocalyptic number.

74542502440000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74542502440000 is the 8633800-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74542502440000

74542502440000 is an abundant number, since it is smaller than the sum of its proper divisors (141337749438841).

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

74542502440000 is an frugal number, since it uses more digits than its factorization.

74542502440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 37.

Adding to 74542502440000 its reverse (4420524547), we get a palindrome (74546922964547).

The spelling of 74542502440000 in words is "seventy-four trillion, five hundred forty-two billion, five hundred two million, four hundred forty thousand".