75616733 has 4 divisors (see below), whose sum is σ = 75755520. Its totient is φ = 75477948.

The previous prime is 75616727. The next prime is 75616763. The reversal of 75616733 is 33761657.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33761657 = 449 ⋅75193.

It is a cyclic number.

It is not a de Polignac number, because 75616733 - 2¹⁶ = 75551197 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 (75616763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68573 + ... + 69666.

It is an arithmetic number, because the mean of its divisors is an integer number (18938880).

Almost surely, 2^75616733 is an apocalyptic number.

It is an amenable number.

75616733 is a deficient number, since it is larger than the sum of its proper divisors (138787).

75616733 is a wasteful number, since it uses less digits than its factorization.

75616733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138786.

The product of its digits is 79380, while the sum is 38.

The square root of 75616733 is about 8695.7882333921. The cubic root of 75616733 is about 422.8691180378.

The spelling of 75616733 in words is "seventy-five million, six hundred sixteen thousand, seven hundred thirty-three".