75050013 has 4 divisors (see below), whose sum is σ = 100066688. Its totient is φ = 50033340.

The previous prime is 75050009. The next prime is 75050033. The reversal of 75050013 is 31005057.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 75050013 - 2² = 75050009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75050033) 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 3 ways as a sum of consecutive naturals, for example, 12508333 + ... + 12508338.

It is an arithmetic number, because the mean of its divisors is an integer number (25016672).

Almost surely, 2^75050013 is an apocalyptic number.

It is an amenable number.

75050013 is a deficient number, since it is larger than the sum of its proper divisors (25016675).

75050013 is a wasteful number, since it uses less digits than its factorization.

75050013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25016674.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 75050013 is about 8663.1410585307. The cubic root of 75050013 is about 421.8100509287.

The spelling of 75050013 in words is "seventy-five million, fifty thousand, thirteen".