761861066 has 4 divisors (see below), whose sum is σ = 1142791602. Its totient is φ = 380930532.

The previous prime is 761861063. The next prime is 761861071. The reversal of 761861066 is 660168167.

761861066 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.

It can be written as a sum of positive squares in only one way, i.e., 565440841 + 196420225 = 23779^2 + 14015^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (761861063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190465265 + ... + 190465268.

Almost surely, 2^761861066 is an apocalyptic number.

761861066 is a deficient number, since it is larger than the sum of its proper divisors (380930536).

761861066 is a wasteful number, since it uses less digits than its factorization.

761861066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380930535.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 761861066 is about 27601.8308450726. The cubic root of 761861066 is about 913.3248201325.

The spelling of 761861066 in words is "seven hundred sixty-one million, eight hundred sixty-one thousand, sixty-six".