75399850 has 12 divisors (see below), whose sum is σ = 140243814. Its totient is φ = 30159920.

The previous prime is 75399839. The next prime is 75399859. The reversal of 75399850 is 5899357.

It can be written as a sum of positive squares in 3 ways, for example, as 56746089 + 18653761 = 7533^2 + 4319^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75399850.

It is not an unprimeable number, because it can be changed into a prime (75399859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 753949 + ... + 754048.

Almost surely, 2^75399850 is an apocalyptic number.

75399850 is a deficient number, since it is larger than the sum of its proper divisors (64843964).

75399850 is a wasteful number, since it uses less digits than its factorization.

75399850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508009 (or 1508004 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 75399850 is about 8683.3087011807. The cubic root of 75399850 is about 422.4644415297.

The spelling of 75399850 in words is "seventy-five million, three hundred ninety-nine thousand, eight hundred fifty".