75500013 has 8 divisors (see below), whose sum is σ = 100742400. Its totient is φ = 50295488.

The previous prime is 75500011. The next prime is 75500023. The reversal of 75500013 is 31000557.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 75500013 - 2¹ = 75500011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75500011) 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, 4428 + ... + 13061.

It is an arithmetic number, because the mean of its divisors is an integer number (12592800).

Almost surely, 2^75500013 is an apocalyptic number.

It is an amenable number.

75500013 is a deficient number, since it is larger than the sum of its proper divisors (25242387).

75500013 is a wasteful number, since it uses less digits than its factorization.

75500013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18931.

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

The square root of 75500013 is about 8689.0743465573. The cubic root of 75500013 is about 422.6514294441.

The spelling of 75500013 in words is "seventy-five million, five hundred thousand, thirteen".