75006650 has 12 divisors (see below), whose sum is σ = 139512462. Its totient is φ = 30002640.

The previous prime is 75006643. The next prime is 75006653. The reversal of 75006650 is 5660057.

It can be written as a sum of positive squares in 3 ways, for example, as 70241161 + 4765489 = 8381^2 + 2183^2 .

It is not an unprimeable number, because it can be changed into a prime (75006653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 750017 + ... + 750116.

Almost surely, 2^75006650 is an apocalyptic number.

75006650 is a deficient number, since it is larger than the sum of its proper divisors (64505812).

75006650 is a wasteful number, since it uses less digits than its factorization.

75006650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500145 (or 1500140 counting only the distinct ones).

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

The square root of 75006650 is about 8660.6379672632. The cubic root of 75006650 is about 421.7287963430.

The spelling of 75006650 in words is "seventy-five million, six thousand, six hundred fifty".