75005660 has 24 divisors (see below), whose sum is σ = 161770560. Its totient is φ = 29191104.

The previous prime is 75005639. The next prime is 75005663. The reversal of 75005660 is 6650057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75005663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49940 + ... + 51419.

It is an arithmetic number, because the mean of its divisors is an integer number (6740440).

Almost surely, 2^75005660 is an apocalyptic number.

It is an amenable number.

75005660 is an abundant number, since it is smaller than the sum of its proper divisors (86764900).

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

75005660 is a wasteful number, since it uses less digits than its factorization.

75005660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101405 (or 101403 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 75005660 is about 8660.5808119317. The cubic root of 75005660 is about 421.7269408927.

The spelling of 75005660 in words is "seventy-five million, five thousand, six hundred sixty".