74542451236552 has 16 divisors (see below), whose sum is σ = 150518411150940. Its totient is φ = 34404208262976.

The previous prime is 74542451236457. The next prime is 74542451236723. The reversal of 74542451236552 is 25563215424547.

It can be written as a sum of positive squares in 2 ways, for example, as 72663451809796 + 1878999426756 = 8524286^2 + 1370766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74542451236493 and 74542451236502.

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 3 ways as a sum of consecutive naturals, for example, 358377169303 + ... + 358377169510.

Almost surely, 2^{74542451236552} is an apocalyptic number.

It is an amenable number.

74542451236552 is an abundant number, since it is smaller than the sum of its proper divisors (75975959914388).

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

74542451236552 is a wasteful number, since it uses less digits than its factorization.

74542451236552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716754338832 (or 716754338828 counting only the distinct ones).

The product of its digits is 40320000, while the sum is 55.

The spelling of 74542451236552 in words is "seventy-four trillion, five hundred forty-two billion, four hundred fifty-one million, two hundred thirty-six thousand, five hundred fifty-two".