275234736 has 80 divisors (see below), whose sum is σ = 822963200. Its totient is φ = 77635584.

The previous prime is 275234731. The next prime is 275234753. The reversal of 275234736 is 637432572.

It is a junction number, because it is equal to n+sod(n) for n = 275234694 and 275234703.

It is not an unprimeable number, because it can be changed into a prime (275234731) 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, 21360 + ... + 31728.

It is an arithmetic number, because the mean of its divisors is an integer number (10287040).

Almost surely, 2^275234736 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 275234736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411481600).

275234736 is an abundant number, since it is smaller than the sum of its proper divisors (547728464).

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

275234736 is a wasteful number, since it uses less digits than its factorization.

275234736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10466 (or 10460 counting only the distinct ones).

The product of its digits is 211680, while the sum is 39.

The square root of 275234736 is about 16590.1999987945. The cubic root of 275234736 is about 650.4806984619.

The spelling of 275234736 in words is "two hundred seventy-five million, two hundred thirty-four thousand, seven hundred thirty-six".