75522013 has 4 divisors (see below), whose sum is σ = 86310880. Its totient is φ = 64733148.

The previous prime is 75522011. The next prime is 75522023. The reversal of 75522013 is 31022557.

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 a cyclic number.

It is not a de Polignac number, because 75522013 - 2¹ = 75522011 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 (75522011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5394423 + ... + 5394436.

It is an arithmetic number, because the mean of its divisors is an integer number (21577720).

Almost surely, 2^75522013 is an apocalyptic number.

It is an amenable number.

75522013 is a deficient number, since it is larger than the sum of its proper divisors (10788867).

75522013 is a wasteful number, since it uses less digits than its factorization.

75522013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10788866.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 75522013 is about 8690.3402119825. The cubic root of 75522013 is about 422.6924776863.

The spelling of 75522013 in words is "seventy-five million, five hundred twenty-two thousand, thirteen".