75503013 has 8 divisors (see below), whose sum is σ = 100746048. Its totient is φ = 50297664.

The previous prime is 75502991. The next prime is 75503023. The reversal of 75503013 is 31030557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75503013 - 2⁵ = 75502981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75503023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4356 + ... + 13037.

It is an arithmetic number, because the mean of its divisors is an integer number (12593256).

Almost surely, 2^75503013 is an apocalyptic number.

It is an amenable number.

75503013 is a deficient number, since it is larger than the sum of its proper divisors (25243035).

75503013 is a wasteful number, since it uses less digits than its factorization.

75503013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18843.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 75503013 is about 8689.2469754289. The cubic root of 75503013 is about 422.6570274012.

The spelling of 75503013 in words is "seventy-five million, five hundred three thousand, thirteen".