75892013 has 4 divisors (see below), whose sum is σ = 76588380. Its totient is φ = 75195648.

The previous prime is 75892009. The next prime is 75892049. The reversal of 75892013 is 31029857.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27269284 + 48622729 = 5222^2 + 6973^2 .

It is a cyclic number.

It is not a de Polignac number, because 75892013 - 2² = 75892009 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 (75892093) 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, 348020 + ... + 348237.

It is an arithmetic number, because the mean of its divisors is an integer number (19147095).

Almost surely, 2^75892013 is an apocalyptic number.

It is an amenable number.

75892013 is a deficient number, since it is larger than the sum of its proper divisors (696367).

75892013 is a wasteful number, since it uses less digits than its factorization.

75892013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696366.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 75892013 is about 8711.6022062535. The cubic root of 75892013 is about 423.3816432078.

The spelling of 75892013 in words is "seventy-five million, eight hundred ninety-two thousand, thirteen".