275724768 has 96 divisors (see below), whose sum is σ = 836075520. Its totient is φ = 78632960.

The previous prime is 275724733. The next prime is 275724803. The reversal of 275724768 is 867427572.

It is an interprime number because it is at equal distance from previous prime (275724733) and next prime (275724803).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10273 + ... + 25631.

It is an arithmetic number, because the mean of its divisors is an integer number (8709120).

Almost surely, 2^275724768 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 275724768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418037760).

275724768 is an abundant number, since it is smaller than the sum of its proper divisors (560350752).

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

275724768 is a wasteful number, since it uses less digits than its factorization.

275724768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400 (or 15392 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 48.

The square root of 275724768 is about 16604.9621499117. The cubic root of 275724768 is about 650.8665114063.

The spelling of 275724768 in words is "two hundred seventy-five million, seven hundred twenty-four thousand, seven hundred sixty-eight".