75359761 has 3 divisors (see below), whose sum is σ = 75368443. Its totient is φ = 75351080.

The previous prime is 75359747. The next prime is 75359773. The reversal of 75359761 is 16795357.

The square root of 75359761 is 8681.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 62110161 + 13249600 = 7881^2 + 3640^2 .

It is not a de Polignac number, because 75359761 - 2²³ = 66971153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75359701) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4341 + ... + 13021.

Almost surely, 2^75359761 is an apocalyptic number.

75359761 is the 8681-st square number.

75359761 is the 4341-st centered octagonal number.

It is an amenable number.

75359761 is a deficient number, since it is larger than the sum of its proper divisors (8682).

75359761 is an frugal number, since it uses more digits than its factorization.

75359761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17362 (or 8681 counting only the distinct ones).

The product of its digits is 198450, while the sum is 43.

The cubic root of 75359761 is about 422.3895555299.

The spelling of 75359761 in words is "seventy-five million, three hundred fifty-nine thousand, seven hundred sixty-one".