74578803353604 has 243 divisors, whose sum is σ = 216653833636149. Its totient is φ = 21613244653440.

The previous prime is 74578803353599. The next prime is 74578803353647. The reversal of 74578803353604 is 40635330887547.

The square root of 74578803353604 is 8635902.

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

74578803353604 is a `hidden beast` number, since 7 + 4 + 578 + 8 + 0 + 3 + 3 + 53 + 6 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 71260576793604 + 3318226560000 = 8441598^2 + 1821600^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 13109296392 + ... + 13109302080.

Almost surely, 2^{74578803353604} is an apocalyptic number.

74578803353604 is the 8635902-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74578803353604

74578803353604 is an abundant number, since it is smaller than the sum of its proper divisors (142075030282545).

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

74578803353604 is a wasteful number, since it uses less digits than its factorization.

74578803353604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11456 (or 5728 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 63.

The spelling of 74578803353604 in words is "seventy-four trillion, five hundred seventy-eight billion, eight hundred three million, three hundred fifty-three thousand, six hundred four".