761609361 has 4 divisors (see below), whose sum is σ = 1015479152. Its totient is φ = 507739572.

The previous prime is 761609351. The next prime is 761609383. The reversal of 761609361 is 163906167.

761609361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 761609361 - 2⁹ = 761608849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761609351) 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, 126934891 + ... + 126934896.

It is an arithmetic number, because the mean of its divisors is an integer number (253869788).

Almost surely, 2^761609361 is an apocalyptic number.

It is an amenable number.

761609361 is a deficient number, since it is larger than the sum of its proper divisors (253869791).

761609361 is a wasteful number, since it uses less digits than its factorization.

761609361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253869790.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 761609361 is about 27597.2708976812. The cubic root of 761609361 is about 913.2242270997.

The spelling of 761609361 in words is "seven hundred sixty-one million, six hundred nine thousand, three hundred sixty-one".