766054872 has 72 divisors (see below), whose sum is σ = 2280516420. Its totient is φ = 232135200.

The previous prime is 766054853. The next prime is 766054873. The reversal of 766054872 is 278450667.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766054873) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35254 + ... + 52677.

Almost surely, 2^766054872 is an apocalyptic number.

766054872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

766054872 is an abundant number, since it is smaller than the sum of its proper divisors (1514461548).

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

766054872 is a wasteful number, since it uses less digits than its factorization.

766054872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87965 (or 87947 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 766054872 is about 27677.6962914185. The cubic root of 766054872 is about 914.9976099552.

The spelling of 766054872 in words is "seven hundred sixty-six million, fifty-four thousand, eight hundred seventy-two".