755961713 has 4 divisors (see below), whose sum is σ = 814112628. Its totient is φ = 697810800.

The previous prime is 755961709. The next prime is 755961757. The reversal of 755961713 is 317169557.

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 51165409 + 704796304 = 7153^2 + 26548^2 .

It is a cyclic number.

It is not a de Polignac number, because 755961713 - 2² = 755961709 is a prime.

It is a super-2 number, since 2×755961713² = 1142956223043788738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755961013) 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, 29075438 + ... + 29075463.

It is an arithmetic number, because the mean of its divisors is an integer number (203528157).

Almost surely, 2^755961713 is an apocalyptic number.

It is an amenable number.

755961713 is a deficient number, since it is larger than the sum of its proper divisors (58150915).

755961713 is a wasteful number, since it uses less digits than its factorization.

755961713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58150914.

The product of its digits is 198450, while the sum is 44.

The square root of 755961713 is about 27494.7579185560. The cubic root of 755961713 is about 910.9613127473.

The spelling of 755961713 in words is "seven hundred fifty-five million, nine hundred sixty-one thousand, seven hundred thirteen".