761728059 has 6 divisors (see below), whose sum is σ = 1100273876. Its totient is φ = 507818700.

The previous prime is 761728039. The next prime is 761728067. The reversal of 761728059 is 950827167.

761728059 is a `hidden beast` number, since 7 + 617 + 28 + 0 + 5 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-761728059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761728039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42318217 + ... + 42318234.

Almost surely, 2^761728059 is an apocalyptic number.

761728059 is a deficient number, since it is larger than the sum of its proper divisors (338545817).

761728059 is a wasteful number, since it uses less digits than its factorization.

761728059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84636457 (or 84636454 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 761728059 is about 27599.4213526298. The cubic root of 761728059 is about 913.2716671059.

The spelling of 761728059 in words is "seven hundred sixty-one million, seven hundred twenty-eight thousand, fifty-nine".