75633313 has 6 divisors (see below), whose sum is σ = 87981666. Its totient is φ = 64828512.

The previous prime is 75633307. The next prime is 75633317. The reversal of 75633313 is 31333657.

It can be written as a sum of positive squares in only one way, i.e., 38031889 + 37601424 = 6167^2 + 6132^2 .

It is not a de Polignac number, because 75633313 - 2⁹ = 75632801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75633317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 771720 + ... + 771817.

It is an arithmetic number, because the mean of its divisors is an integer number (14663611).

Almost surely, 2^75633313 is an apocalyptic number.

It is an amenable number.

75633313 is a deficient number, since it is larger than the sum of its proper divisors (12348353).

75633313 is a wasteful number, since it uses less digits than its factorization.

75633313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543551 (or 1543544 counting only the distinct ones).

The product of its digits is 17010, while the sum is 31.

The square root of 75633313 is about 8696.7415162232. The cubic root of 75633313 is about 422.9000223863.

The spelling of 75633313 in words is "seventy-five million, six hundred thirty-three thousand, three hundred thirteen".