1768272864 has 48 divisors (see below), whose sum is σ = 4647041280. Its totient is φ = 588748160.

The previous prime is 1768272841. The next prime is 1768272871. The reversal of 1768272864 is 4682728671.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77347 + ... + 97565.

It is an arithmetic number, because the mean of its divisors is an integer number (96813360).

Almost surely, 2^1768272864 is an apocalyptic number.

It is an amenable number.

1768272864 is an abundant number, since it is smaller than the sum of its proper divisors (2878768416).

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

1768272864 is a wasteful number, since it uses less digits than its factorization.

1768272864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21143 (or 21135 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 1768272864 is about 42050.8366623067. The cubic root of 1768272864 is about 1209.2509226524.

The spelling of 1768272864 in words is "one billion, seven hundred sixty-eight million, two hundred seventy-two thousand, eight hundred sixty-four".