75045650 has 24 divisors (see below), whose sum is σ = 147797460. Its totient is φ = 28252160.

The previous prime is 75045643. The next prime is 75045653. The reversal of 75045650 is 5654057.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 52983841 + 22061809 = 7279^2 + 4697^2 .

It is not an unprimeable number, because it can be changed into a prime (75045653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43295 + ... + 44994.

Almost surely, 2^75045650 is an apocalyptic number.

75045650 is a deficient number, since it is larger than the sum of its proper divisors (72751810).

75045650 is a wasteful number, since it uses less digits than its factorization.

75045650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88318 (or 88313 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 75045650 is about 8662.8892408942. The cubic root of 75045650 is about 421.8018768554.

The spelling of 75045650 in words is "seventy-five million, forty-five thousand, six hundred fifty".