74889097989800 has 48 divisors (see below), whose sum is σ = 178823021839260. Its totient is φ = 29146027322880.

The previous prime is 74889097989799. The next prime is 74889097989803. The reversal of 74889097989800 is 898979098847.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 22146266584324 + 52742831405476 = 4705982^2 + 7262426^2 .

It is not an unprimeable number, because it can be changed into a prime (74889097989803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5060066789 + ... + 5060081588.

Almost surely, 2^{74889097989800} is an apocalyptic number.

It is an amenable number.

74889097989800 is an abundant number, since it is smaller than the sum of its proper divisors (103933923849460).

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

74889097989800 is a wasteful number, since it uses less digits than its factorization.

74889097989800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120148430 (or 10120148421 counting only the distinct ones).

The product of its (nonzero) digits is 5267275776, while the sum is 86.

The spelling of 74889097989800 in words is "seventy-four trillion, eight hundred eighty-nine billion, ninety-seven million, nine hundred eighty-nine thousand, eight hundred".