75520260 has 36 divisors (see below), whose sum is σ = 229078668. Its totient is φ = 20138688.

The previous prime is 75520253. The next prime is 75520261. The reversal of 75520260 is 6202557.

It can be written as a sum of positive squares in 2 ways, for example, as 49449024 + 26071236 = 7032^2 + 5106^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (75520261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209599 + ... + 209958.

Almost surely, 2^75520260 is an apocalyptic number.

It is an amenable number.

75520260 is an abundant number, since it is smaller than the sum of its proper divisors (153558408).

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

75520260 is a wasteful number, since it uses less digits than its factorization.

75520260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419572 (or 419567 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 75520260 is about 8690.2393522848. The cubic root of 75520260 is about 422.6892071800.

The spelling of 75520260 in words is "seventy-five million, five hundred twenty thousand, two hundred sixty".