75380450 has 12 divisors (see below), whose sum is σ = 140207730. Its totient is φ = 30152160.

The previous prime is 75380443. The next prime is 75380477. The reversal of 75380450 is 5408357.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 54922921 + 20457529 = 7411^2 + 4523^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 753755 + ... + 753854.

Almost surely, 2^75380450 is an apocalyptic number.

75380450 is a deficient number, since it is larger than the sum of its proper divisors (64827280).

75380450 is a wasteful number, since it uses less digits than its factorization.

75380450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507621 (or 1507616 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 75380450 is about 8682.1915436139. The cubic root of 75380450 is about 422.4282057671.

The spelling of 75380450 in words is "seventy-five million, three hundred eighty thousand, four hundred fifty".