761704128 has 112 divisors (see below), whose sum is σ = 2281793760. Its totient is φ = 249080832.

The previous prime is 761704127. The next prime is 761704187. The reversal of 761704128 is 821407167.

761704128 is a `hidden beast` number, since 76 + 170 + 412 + 8 = 666.

761704128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×761704128² = 1160386357224480768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 761704092 and 761704101.

It is not an unprimeable number, because it can be changed into a prime (761704121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87426 + ... + 95742.

Almost surely, 2^761704128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 761704128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140896880).

761704128 is an abundant number, since it is smaller than the sum of its proper divisors (1520089632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

761704128 is a wasteful number, since it uses less digits than its factorization.

761704128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391 (or 8375 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 761704128 is about 27598.9878075266. The cubic root of 761704128 is about 913.2621030046.

The spelling of 761704128 in words is "seven hundred sixty-one million, seven hundred four thousand, one hundred twenty-eight".