75274880 has 32 divisors (see below), whose sum is σ = 179955540. Its totient is φ = 30109696.

The previous prime is 75274877. The next prime is 75274889. The reversal of 75274880 is 8847257.

It can be written as a sum of positive squares in 2 ways, for example, as 60590656 + 14684224 = 7784^2 + 3832^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (75274889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58169 + ... + 59448.

Almost surely, 2^75274880 is an apocalyptic number.

It is an amenable number.

75274880 is an abundant number, since it is smaller than the sum of its proper divisors (104680660).

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

75274880 is a wasteful number, since it uses less digits than its factorization.

75274880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117636 (or 117624 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 75274880 is about 8676.1097272914. The cubic root of 75274880 is about 422.2309106656.

The spelling of 75274880 in words is "seventy-five million, two hundred seventy-four thousand, eight hundred eighty".