75274507044 has 81 divisors (see below), whose sum is σ = 209198019121. Its totient is φ = 22804969440.

The previous prime is 75274507031. The next prime is 75274507051. The reversal of 75274507044 is 44070547257.

The square root of 75274507044 is 274362.

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

75274507044 is a `hidden beast` number, since 7 + 527 + 4 + 50 + 70 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34273116900 + 41001390144 = 185130^2 + 202488^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18105814 + ... + 18109970.

Almost surely, 2^75274507044 is an apocalyptic number.

75274507044 is the 274362-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75274507044

75274507044 is an abundant number, since it is smaller than the sum of its proper divisors (133923512077).

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

75274507044 is a wasteful number, since it uses less digits than its factorization.

75274507044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8346 (or 4173 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 45.

The spelling of 75274507044 in words is "seventy-five billion, two hundred seventy-four million, five hundred seven thousand, forty-four".